Image Lepakshi2.jpg thumb right 150px Columns A compressionmember is a general class of structural elements of which a column is the most common specific example. Description For a compressionmember, such as a column, the principal stress comes mainly from axis of rotation axial forces, that is forces that fall along one line, usually the centerline. ref name efunda cite web url http www.efunda.com formulae solid mechanics columns intro.cfm title Compressionmember publisher accessdate 2007 01 08 ref The loading capacity of a short column is determined by strength limit of the material. The strength of a column of intermediate size is limited by its degree of inelasticity. A long column is constrained by the elastic limit that is by amount of buckling . ref name efunda See also Arch Brown truss List of structural elements Truss Strut Notes references External links http www.digitalengineeringlibrary.com dxreader opendxreader.asp?chapterid p2000a1fb9970525001 Columns and other compression members http www.sandsmachine.com ac comp.htm Bicycle compression members http pubsindex.trb.org document view default.asp?lbid 731981 Numerical load numbers for reinforced concrete compression members Category Columns and entablature element arch stub cs Podp rn l nek ... more details
wiktionarypar compression compressor Compression may refer to In physical science Compression physical , the result of the subjection of a material to compressive stress Compressionmember , a class of structural ... of volume change resulting from pressure Gas compression , raising the pressure and reducing the volume of gases Compression ratio , a figure of merit of an internal combustion engine Compression geology , a system of forces that tend to decrease the volume of rocks In information science Data compression , the process of encoding digital information using fewer bits Audio compression data , the compression of digital audio streams and files Bandwidth compression , a reduction in either the time to transmit or in the amount of bandwidth required to transmit Compression artifact , noticeable defects in audio or video that has been compressed Image compression , the application of data compression on digital images Video compression , the compression of digital video streams and files Dynamic range compression , a compression process that reduces the dynamic range of an audio signal One way compression function , a cryptographic primitive In engineering Gain compression , in electronic ... Brain compression , a potentially fatal condition where pressure is exerted on the brain by internal bleeding Bandage Compression bandage Compression bandage , a bandage that uses compression to reduce the flow of blood Intravenous pyelogram compressionCompression in pyelography involves pressing ... pages isbn 88 470 0831 X oclc doi accessdate ref In mathematics Compression functional analysis , the compression of a linear operator T on a Hilbert space to a subspace K is the operator Other Compression ..., please do not shorten the description. Compression zoology when an animal, or part of an animal ... compress Compression shorts Compressor disambiguation Decompression disambiguation Expansion disambiguation References reflist disambig cs Komprese da Komprimering de Kompression fr Compression ... more details
Wiktionarypar member A member is a person who belongs to a social group or an entity such as a company or nation. By extension it can refer to any part of a whole. Member may also refer to Elected official Member of Parliament Element mathematics , an object that belongs to a mathematical set theory Object oriented programming term Field computer science Method computer science Member variable Limb anatomy , an appendage of the human or animal body A euphemism for penis Structural component of a bridge Member local church , person belonging to a local church Person belonging to a club Person belonging to a Board of Directors The Members , a British punk band Military jury , referred to as Members in military jargon User computing , person making use of a computing service, especially on the internet Geological unit Member geology , a component of a geologic formation See also lookfrom intitle Dismember disambiguation Part disambiguation Remember disambiguation disambig bg de Glied es Miembro eo Membro fr Membre gl Membro ko io Membro it Membro ku Endam cudakirin ja pl Cz onek ru simple Member fi J sen ... more details
compression test Buckling Compressionmember Longitudinal wave P wave Rarefaction Strength of materials ...File Compression test.jpg right thumb 250px Compression test on a universal testing machine Physical compression is the result of the subjection of a material to compressive stress , which results in reduction of volume as compared to an uncompressed but otherwise identical state. The opposite of compression in a solid is tension physics tension . In any medium transmitting waves, the opposite of compression is rarefaction . In simple terms, compression is a pushing force. Explanation Compression has many implications in materials science , physics and structural engineering , for compression yields noticeable amounts of Stress physics stress and tension mechanics tension . By inducing compression, mechanical properties such as compressive strength or modulus of elasticity , can be measured. Scientist s and engineer s may utilize compression machines to measure the resistance of materials and structures to compression. Compression machines range from very small table top systems to ones with over 53 MN capacity. ref Citation last NIST title Large Scale Structure Testing Facility url http www.nist.gov bfrl facilities instruments large scale struct testing fac.cfm accessdate 04 05 2010 postscript . ref In engines Internal combustion engines In internal combustion engine s it is a necessary condition of economy to compress the explosive mixture before it is ignited in the Otto cycle , for instance, the second stroke of the piston effects the compression of the charge which has been drawn into the cylinder by the first forward stroke. Steam engines The term is applied to the arrangement by which the exhaust valve of a steam engine is made to close, shutting a portion of the exhaust ... of the reciprocating parts are lessened. This compression, moreover, obviates the shock which ... Physical compression ... more details
Audio compression may refer to Audio compression data , a type of lossy compression in which the amount of data in a recorded waveform is reduced for transmission with some loss of quality, used in CD and MP3 encoding, Internet radio, and the like Dynamic range compression , also called audio level compression, in which the dynamic range, the difference between loud and quiet, of an audio waveform is reduced disambig zh ... more details
Expert subject Computing date May 2011 Adaptive compression is a type of data compression which changes compression algorithm s based on the type of data being compressed. ref name PCMag Cite web url http www.pcmag.com encyclopedia term 0,2542,t adaptive compression&i 37503,00.asp work PC Magizine Encyclopedia title Adaptive compression accessdate 21 April 2011 ref References reflist Category Data compression Computing stub ... more details
Image Rubber boots.jpg thumb right Compression molded rubber boots before the Flash manufacturing flashes are removed. Compression molding is a method of molding process molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity. The mold is closed with a top force or plug member, pressure is applied to force the material into contact with all mold areas, while heat and pressure are maintained until the molding material has cured. The process employs ..., or preforms. Compression molding is a high volume, high pressure method suitable for molding complex, high strength fiberglass reinforcements. Advanced composite thermoplastic s can also be compression .... The advantage of compression molding is its ability to mold large, fairly intricate parts. Also, it is one ... with expensive compounds. However, compression molding often provides poor product consistency and difficulty ... molding. Compression molding is also suitable for ultra large basic shape production in sizes beyond the capacity of extrusion techniques. Materials that are typically manufactured through compression ... sulfide PPS , and many grades of PEEK . Compression molding was first developed to manufacture composite parts for metal replacement applications, compression molding is typically used to make larger ... the feed material is distributed over the mold surface, the less flow orientation occurs during the compression ... fiber Mat reinforced Thermoplastics GMT . In compression molding there are six important considerations ... cooling after the material has been compressed into the mold. Process definition Compression ... moulding times are widely used and examples are shown in Ref 3. Process schematic The compression .... Setup and equipment Compression mold presses are manufactured in a wide variety of sizes. Most presses ... 220. Further reading Compression Molding, ASM Handbook 2001, volume 21 Composites, Peterson, Charles ... home tech processing compression molding.htm Category Plastics industry de Formpressen es Moldeo ... more details
Speech compression may mean different things Speech encoding refers to compression for transmission or storage, possibly to an unintelligible state, with decompression used prior to playback. Time compressed speech refers to voice compression for immediate playback, without any decompression so that the final speech sounds faster to the listener . disambig ... more details
Cord compression may refer to Spinal cord compression Umbilical cord compression disambig Short pages monitor This long comment was added to the page to prevent it being listed on Special Shortpages. It and the accompanying monitoring template were generated via Template Longcomment. Please do not remove the monitor template without removing the comment as well. ... more details
Compression therapy may refer to Attachment therapy , a loosely identified category of mental health interventions Cold compression therapy , to reduce pain and swelling from a sports or activity injury disambig ... more details
Texture compression is a specialized form of image compression designed for storing texture map s in 3D computer graphics rendering systems. Unlike conventional image compression algorithms, texture compression algorithms are optimized for random access . How it works In their seminal paper on http graphics.stanford.edu projects flashg papers texture compression texture compression ref Citation author Andrew Beers coauthors Maneesh Agrawala, Navin Chaddha title Rendering from Compressed Textures journal Computer Graphics, Proc. SIGGRAPH year 1996 pages 373 378 ref , Beers, Agrawala and Chaddha list four features that tend to differentiate texture compression from other image compression techniques. These features are Decoding Speed It is highly desirable to be able to render directly from the compressed texture data and so, in order not to impact rendering performance, decompression must ... , any texture compression scheme must allow fast random access to decompressed texture data. This tends to rule out image compression schemes such as JPEG or Run length encoding . Compression Rate and Visual Quality In a rendering system, lossy compression can be more tolerable than for other use cases. Encoding Speed Texture compression is more tolerant of asymmetric encoding decoding rates as the encoding ..., most texture compression algorithms involve some form of fixed rate lossy compression lossy vector ... maps, texture compression may also be used to encode other kinds of rendering map, including bump map s and normal mapping surface normal map s. Texture compression may also be used together with other ... of practical texture compression systems are S3 Texture Compression , PVRTC and Ericsson Texture Compression . OpenGL and OpenGL ES, as implemented on many video accelerator cards and mobile GPUs, can support multiple common kinds of texture compression generally through the use of vendor extensions ... Compression Category Texture compression compu graphics stub es Compresi n de texturas ... more details
Voice compression may mean different things Speech encoding refers to compression for transmission or storage, possibly to an unintelligible state, with decompression used prior to playback. Time compressed speech refers to voice compression for immediate playback, without any decompression so that the final speech sounds faster to the listener . Audio level compression refers to a sound recording effect which increases the perceived volume of a sound. Disambig ... more details
Other uses Volume disambiguation Unreferenced date December 2009 A volume is a term in data compression for a file that has been compressed and split into different parts. There are many advantages in having a compression utility with the ability for compression into volumes. First, it allows an individual to download the file in segments at his or her own pace. As well if there is a corruption only one volume is affected instead of the whole which can be corrected using parity file s. Second, it allows compression to a volume size compatible with removable media. For example, compressing a backup into 700MB chunks for easy storage on CDs. See also Compression utilities with volume support RAR ARJ 7 Zip PeaZip DEFAULTSORT Volume Compression Category Data compression ru uk ... more details
Unreferenced date February 2010 Silence Compression provides an excellent way to squeeze Data redundancy redundancy out of the sound files. Silence compression scheme is essential for efficient voice communication system. It allows significant reduction of transmission bandwidth during silence period. A Silence compression scheme include a voice activity detection VAD , a silence insertion descriptor SID and a comfort noise generator CNG module. Parameters used for silence compression threshold value the way to encode silence threshold for recognizing start of silence an indication of when silence is over parameter to get threshold, means there is no silence until unless there is three silence in the rows. audio tech stub Category Data compression ... more details
mergeto Compression stockings discuss Talk Compression stockings Merger proposal date May 2010 Graduated compression applies a precise amount of pressure greatest at the ankle and gradually decreases that pressure toward the top of the stocking. Proper graduated compression helps to improve circulation and assist in preventing swelling and tired, achy legs and feet. Improper graduated compression can cause reverse compression which can force blood down the leg. A very high level of compression in socks ... compression stocking are available in several styles and colors and can look and feel like everyday hose or socks. Compression Levels Graduated compression is measured in millimeters of mercurcy, abbreviated mmHg. http www.livestrong.com article 41620 compression socks used Most graduated compression hose are available in several different levels of compression. The higher the number, the more compression or pressure is applied to the leg. Too much compression can interfere with proper circulation. Common Graduated Compression Levels 10 15 mmHg 15 20 mmHg 20 30 mmHg 30 40 mmHg 40 50 mmHg Uses Medical Graduated compression stocking are often used to help treat medical conditions that cause swelling and or tired, achy legs and feet. http www.veindirectory.org faq compression stockings faq.asp Often a higher level compression is used. Please speak with a medical professional before trying a graduated compression product for a medical condition. Energize Lower levels of graduated compression ... for prolonged periods of time may benefit from energizing graduated compression. The Zensah compression leg sleeves are made with gradient compression which provides wide ribbing in the front for shin ... legs and feet can feel tired and heavy as well as swell. Graduated compression may help reduce the feeling ... may cause tired, achy legs. A graduated compression product may help to reduce tiredness in the legs and feet by helping to improve circulation. A 15 20 mmHg compression is recommended for travel ... more details
Context date November 2010 Accessibility dispute date January 2011 Signaling compression , or SigComp , is a compression method designed especially for compression of text based communication data as Session Initiation Protocol SIP or RTSP . SigComp had originally been defined in RFC 3320 and was later updated with RFC 4896. A Negative Acknowledgement Mechanism for Signaling Compression is defined in RFC 4077. The SigComp work is performed in the ROHC working group in the transport area of the IETF . General architecture center Image SigComp Architecture.png center Related standards documents RFC 3320 Signaling Compression SigComp RFC 3321 Signaling Compression SigComp Extended Operations RFC 3485 The Session Initiation Protocol SIP and Session Description Protocol SDP Static Dictionary for Signaling Compression SigComp RFC 3486 Compressing the Session Initiation Protocol SIP RFC 4077 A Negative Acknowledgement Mechanism for Signaling Compression RFC 4464 Signaling Compression SigComp Users Guide RFC 4465 Signaling Compression SigComp Torture Tests RFC 4896 Signaling Compression SigComp Corrections and Clarifications RFC 5049 Applying Signaling Compression SigComp to the Session Initiation Protocol SIP RFC 5112 The Presence Specific Static Dictionary for Signaling Compression Sigcomp 3GPP TR23.979 Annex C Required SigComp performance Category Data compression Category Multimedia Category Telecommunications Category VoIP protocols Category Presentation layer protocols fr SigComp ... more details
nofootnotes date April 2010 The objective of image compression is to reduce irrelevance and redundancy ... technique Lossy and lossless compression Image compression may be lossy compression lossy or lossless compression lossless . Lossless compression is preferred for archival purposes and often for medical imaging, technical drawings, clip art , or comics. This is because lossy compression methods, especially when used at low bit rate s, introduce compression artifact s. Lossy methods are especially ... loss of fidelity is acceptable to achieve a substantial reduction in bit rate. The lossy compression that produces imperceptible differences may be called visually lossless compression visually lossless . Methods for lossless image compression are Run length encoding used as default method in PCX and as one ... code s Methods for lossy compression Reducing the color space encoding color space to the most ... image processing quantization and entropy coding . Fractal compression . Other properties The best image quality at a given bit rate or compression rate is the main goal of image compression, however, there are other important properties of image compression schemes Scalability generally refers ... compression . Other names for scalability are progressive coding or embedded bitstreams . Despite ..., and author or copyright information. Processing power . Compression algorithms require different amounts of processing power to encode and decode. Some high compression algorithms require high processing power. The quality of a compression method often is measured by the Peak signal to noise ratio . It measures the amount of noise introduced through a lossy compression of the image, however ...?docid 163332982698249627 MIT Linear Algebra Lecture on Image Compression at Google Video, from MIT OpenCourseWare ... Image compression A study about image compression Image compression basics and comparing different compression methods like JPEG2000, JPEG and JPEG XR HD Photo http dvd hq.info data compression.php ... more details
In telecommunication , the term signal compression has the following meanings In analog usually audio systems, reduction of the dynamic range of a Signalling telecommunication signal by controlling it as a function of the inverse relationship of its instantaneous value relative to a specified reference level. Signal compression is usually expressed in decibel dB . Instantaneous values of the input signal that are low, relative to the reference level, are increased, and those that are high are decreased. Signal compression is usually accomplished by separate devices called compressors. It is used for many purposes, such as a improving signal to noise ratios prior to digitizing an analog signal for transmission telecommunications transmission over a digital carrier system , b preventing overload of succeeding elements of a system, or c matching the dynamic ranges of two devices. Signalling telecommunication Signal compression in dB may be a linear or nonlinear function of the signal level across the frequency band radio band of interest and may be essentially instantaneous or have fixed or variable delay times. Signal compression always introduces distortion , which is usually not objectionable, if the compression is limited to a few dB. The original dynamic range of a compressed signal may be restored by a Electronic circuit circuit called an Companding expander . FS1037C MS188 See also Companding Dynamic range compression Further reading http www.atis.org tg2k signal compression.html Definition signal compression http users.ece.gatech.edu vkm nii node36.html Signal Compression http www.ece.ucsb.edu scl Signal Compression Lab UCSB http www.stanford.edu group compression Signal Compression and Classification Group Stanford Category Electronics terms Category Signal processing Category Telecommunications terms he ... more details
as a digital logic circuit, but it could also function as an analog amplifier it shows gain compression at the edges of the diagonal slope, where rounding of the line yields soft clipping. Gain compression ... large signal phenomenon of circuits. Relevance Gain compression is relevant in any system with a wide ... depends on the topology of the amplifier. Differences between clipping and compression Clipping, as a form of signal compression, differs from the operation of the typical studio audio level compression audio level compressor , in which gain compression is not instantaneous delayed in time via attack and release settings . Limiting or clipping Gain is a linear operation. Gain compression is not linear ... distortion have many extra harmonics . CompressionCompression of gain is caused by non linear characteristics ... beyond the linear range of the amplifier, gain compression will occur. A transistor s operating point may move with temperature, so higher power output may lead to compression due to collector dissipation ... increase in output. Thus there is compression of gain. Also, at this time because the transfer function is no longer linear, harmonic distortion will result. Intentional compression In intentional compression sometimes called automatic gain control or audio level compression as used in devices called ... will always be the same amplitude. Radio frequency compression Gain compression in RF amps is similar to soft clipping. However, in narrowband systems, the effect looks more like gain compression simply ... list gain compression rather than distortion figures because it s easier to measure and is more important ... s picking up. Examples of RF compression A low noise linear amplifier RF amplifier if fed by a directional ... overloaded and generate mixing products. This is a typical effect of gain compression. High power loudspeakers A form of gain compression also takes place in loudspeaker voice coil s when they heat up ... point Dynamic range compression External links http www.wikirecording.org Compression WikiRecording ... more details
Compression shorts are underwear undergarments usually worn by athletes. They are form fitting garment s and when worn cover the athlete s waist to mid or lower thigh. These garments are often made from a spandex type material, similar to cycling shorts . A major benefit of compression shorts are that they keep the thigh muscles warm to prevent muscle strain and fatigue. In addition, there is some evidence that compression shorts may enhance athletic performance. ref cite journal doi 10.1080 0264041031000101971 author Doan BK, Kwon YH, Newton RU, et al. title Evaluation of a lower body compression garment journal J Sports Sci volume 21 issue 8 pages 601 10 year 2003 month Aug pmid 12875311 ref They are also used as a way to keep the male genitalia in place. Compression shorts also help to keep .... Another major benefit is that many compression shorts are designed to wick sweat away from the body ... things like walking or running when the thighs are adducted. There are also other types of compression garments that serve a similar function, such as compression t shirts, socks, sleeves & tights ... such as compression shorts have seen an increase in popularity, arguably because of their comparable ... all the jockstraps gone? work Slate Magazine 2005 07 22 ref Compression shorts are also popular ..., athletes wear compression shorts under the skirt so if they fall over and their skirts ride up ... both being no contact sports in which players often wear skirts . In this situation, compression shorts are colloquially identified as as spandex shorts. Women also wear compression shorts in tennis where most recently, compression shorts have been produced with ball pockets for convenience. There are also women s compression shorts for use before, during and after pregnancy. Pregnancy compression ... web url http www.recoveryshorts.com.au title Women s pregnancy compression shorts 2011 05 31 ref See also Compression sportswear Rugby shorts Sports clothing References reflist Men s undergarments ... more details
Unreferenced date October 2008 Image Compression fitting isolating valve 15mm screwdriver turn.jpg thumb A compression fitting 15 mm isolating valve compression physical Compression fitting s are used in plumbing and electrical conduit systems to join two tubing material tubes or thin walled pipe material ... materials appropriate for the connection. Compression fittings for attaching tubing piping commonly have ferrule s or olives in the UK in them. Compression fittings are also used extensively for hot and cold water faucets taps and toilet stop valve s compression fittings are well suited to this application ... to solder without creating a fire hazard. Compression fittings are the industry standard for chemical ... The compression fitting is composed of an outer compression nut and an inner compression ring or ferrule ... dope or thread seal tape PTFE tape, or Plumbers Tape are inappropriate for use on compression fitting ... purpose in compression fittings and may actually serve to weaken them. fact date September 2011 The compression ... in a compression fitting, and extraneous sealants frequently interfere with this condition for instance ... to the integrity of a compression fitting that excessive force be avoided when tightening ... to fail. Indeed, over tightening is the most common cause of leaks in compression fittings. A good rule ..., the fitting is slowly tightened until the weeping stops. The most important component in a compression ... a leak until new parts can be procured. Types of fittings There are two common types of compression ... is often used to slide the nut and ferrule off the tube. Advantages Compression fittings are popular ... no special tools or skills to operate. They work at higher pressures and with toxic gases. Compression ... torch, is prohibited. Disadvantages Compression fittings are not as robust as soldered fittings ... and bending such as when pipes knock or shake from sudden pressure changes . Compression fittings ... Tips Jointing compression.pdf Jointing Copper Tubes Compression Joints , UK Copper Board ... more details
HTTP HTTP compression is a capability that can be built into web server s and web client s to make better ... 24eb4f312e0e.mspx?mfr true title Using HTTP Compression IIS 6.0 accessdate 9 February 2010 publisher Microsoft Corporation ref HTTP data is Data compression compressed before it is sent from the server ... format browsers that do not support compliant compression method will download uncompressed data. The most common compression schemas include gzip and zlib deflate , however a full list of available ... with overcautious web browsers , where servers are misconfigured, and where browser bugs stop compression being used. Internet Explorer 6, which drops to HTTP 1.0 without features like compression ... use compression.html ref Client Server compression scheme negotiation In most cases, excluding the SDCH ... Encoding field in the HTTP request, with supported compression schema names called content coding ... gzip, deflate 2. If the server supports one or more compression schemas, the outgoing data may be compressed ... to use any compression method this depends on the internal settings of the web server and also ... its name the zlib compression RFC 1950 should be used in combination with the deflate compression ... the zlib compression and the raw deflate compression. ref cite web url http www.vervestudios.co projects compression tests title Compression Tests accessdate 23 March 2011 publisher Verve Studios ... supported as of March 2011. ref cite web url http www.vervestudios.co projects compression tests results title Compression Tests Results accessdate 23 March 2011 publisher Verve Studios, Co ref identity ... Format for Java Archives. ref SDCH sdch Google Shared Dictionary Compression for HTTP bzip2 free and open source lossless data compression algorithm PeerDist peerdist Microsoft Peer Content Caching ... PCCRPT Servers that support HTTP compression Internet Information Services Microsoft IIS built in or using ... gzip ref cite web url http www.vervestudios.co projects compression tests title Compression Tests ... more details
In telecommunication , the term bandwidth compression has the following meanings The reduction of the Bandwidth computing bandwidth needed to transmit a given amount of data in a given time . The reduction of the time needed to transmit a given amount of data in a given bandwidth. Note Bandwidth compression implies a reduction in normal bandwidth of an information carrying signal information theory signal without reducing the information content of the signal. This can be accomplished with data compression techniques. Source from Federal Standard 1037C and from MIL STD 188 See also Modem Increasing speeds telecomm term stub Category Telecommunications terms ... more details
Gravitational compression is a phenomenon in which gravity , acting on the mass of an object, compresses it, reducing its size and increasing the object s density . File Stellar core.gif thumb In the Solar core core of a star such as the Sun , gravitational pressure is balanced by the outward thermal pressure from Nuclear fusion fusion reactions , temporarily halting gravitational compression. At the center of a planet or star , gravitational compression produces heat by the Kelvin Helmholtz mechanism . This is the mechanism that explains how Jupiter continues to radiation radiate heat produced by its gravitational compression. ref name SRI1 cite web url http www.iki.rssi.ru nineplanets jupiter.html title Jupiter publisher Space Research Institute,Russian Academy of Sciences accessdate 2009 11 05 ref The most common reference to gravitational compression is with respect to stellar evolution . The Sun and other main sequence stars are produced by the initial gravitational collapse of a giant molecular cloud . Assuming the mass of the material is large enough, gravitational compression reduces the size of the core, increasing its temperature until hydrogen fusion can begin. This hydrogen to helium fusion reaction releases energy which balances the inward gravitational pressure and the star becomes stable for millions of years. No further gravitational compression occurs until the hydrogen is nearly used up, reducing the thermal pressure of the fusion reaction. ref cite web url http www.space.com scienceastronomy astronomy star formation 010116.html title How a Star is Born Clouds ... of the Sun s life, gravitational compression will turn it into a white dwarf . ref Cite web title White ... very quickly, ending their lives as supernova supernovae after which further gravitational compression ... the compression physical compression due to gravity is balanced by a pressure gradient in the opposite direction due to the strength of the material, at which point gravitational compression ceases. References ... more details
Chest compression may refer to The prevention of the expansion of the chest , see Asphyxia Compressive asphyxia Compressive asphyxia A technique used during cardiopulmonary resuscitation or for the Heimlich maneuver Modified chest thrusts treatment of choking disambig ... more details
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