Unreferenced date June 2011 Original research date June 2011 In the humanities and social sciences , the term positive occasionally positivist is used in at least two ways. Citation needed date June 2011 The most common usage refers to analysis or theories which only attempt to describe how things are , as opposed to how they should be. Citation needed date June 2011 Positive means also value free . In this sense, the opposite of positive is normative . An example would be positive, as opposed to normative, economic analysis. Positive statements are also often referred to as descriptive statements. See also Philosophy of social science Philosophy of law Political science Positive economics Science stub Categories DEFAULTSORT Positive Science Category Science Interwikies de Positive Wissenschaft fr Science positive nl Positieve wetenschap ... more details
Logic as a PositiveScience is one of the major works of Italian Marxist philosopher Galvano Della Volpe . It was first published in 1950 as Logica come Scienza positiva . A second edition appeared in 1956 and according to translator, Jon Rothschild, Della Volpe was reportedly working on a third edition at the time of his death in 1968 which was never completed. The definitive, enlarged edition was published posthumously in 1969 under the slightly different title Logica Come Scienza Storica ref name isbn0 8020 6860 X cite book author Makaryk, Irena Rima title Encyclopedia of Contemporary Literary Theory Approaches, Scholars, Terms publisher University of Toronto Press location Toronto year 1993 pages 291 293 isbn 0 8020 6860 X url http books.google.com books?id CTJCiLG9AeoC&pg PA291&dq 22LOGICA COME SCIENZA STORICA 22&output html&sig ACfU3U1BWKf7SsUCQrky4xDoLKIrsUopLQ accessdate ref Jon Rothschild translated the book into English for New Left Books now Verso , and was first published by them as Logic as a PositiveScience in 1980. The book s thesis is that the progress made in philosophy has come out of struggles against apriorist idealism. Della Volpe provides several case studies of such critiques of apriorism including Plato s critique of Parmenides , Aristotle s critique of Plato, Galileo s critique of scholastic science, Kant s critique of Leibniz s rationalism, and the young Marx s critique of Hegelian idealism. Della Volpe used those case studies in order to defend the thesis that Marxism is a science to the extent that it relies upon a Galilean methodology, not unlike the one that he saw as underlying the natural sciences. For Della Volpe, Das Kapital Capital is the best exemplification of this moral Galileanism in practice, with Marx exploding the apriorist reasonings ... problem i.e. rules for distinguishing science from non science and the induction problem, Della ... or positive sciences, and with showing that Marx had likewise embraced what Della Volpe called ... more details
of more or less Positive psychology , a branch of psychology Positivescience , for a general ...wiktionarypar positive TOC right Positive is a property of Positivity disambiguation positivity and may refer to Mathematics and science Converging lens or positive lens, in optics Plus and minus signs Plus sign Plus sign , the sign used to indicate a positive number Positive electricity , a polarity of electrical charge Positive element of a C algebra such as a bounded linear operator whose spectrum consists of positive real numbers Positive formula , a logical formula not containing negation Positive number , a number that is greater than 0 Positive photography , a positive image, in which the color and luminance correlates directly with that in the depicted scene Positive result , a result that has been found significant in statistical hypothesis testing Positive sense , said of an RNA sequence that codes for a protein Positive test , a diagnostic test result that indicates some parameter ... which affirms the resolution A positive image, in photography , is one in which the value lightness darkness correlates positively with that in the scene depicted Negative and positive rights , concerning the moral obligation of a person to do something for to someone Positive economics , in economics, about predictions of behavior of economic actors, as opposed to the normative aspect Positive law is man made law statutes in contrast with natural law derived from deities or morality Positive liberty , the opportunity and ability to act to fulfill one s own potential Positive linguistics , the form ... of normative the act of something being described in terms of fact s alone Positive statement , in economics ... which aim to be based on facts alone, eschewing metaphysics and religion In popular culture Positive film , a short film in Hindi on HIV and AIDS Gotta Be Positive , a song by Eddy Grant from Reparation album Reparation Positive hardcore , a sub genre of hardcore punk . Other uses Positive sign in western ... more details
Infobox short story See Wikipedia WikiProject Novels name A Positive image caption author Kaaron Warren country Australia language English language English genre Horror fiction Horror published in Bloodsongs 10 publication type Periodical publisher Implosion Publishing media type Print Magazine pub date 1998 A Positive is a 1998 horror fiction horror short story by Kaaron Warren . Background A Positive was first published in Australia in 1998 in issue 10 of the horror magazine Bloodsongs . The issue was edited by Steve Proposch and David G. Barnett and published by Implosion Publishing and was the last issue of Bloodsongs to be published. ref name BLOODSONGS 10 cite web url http www.chrisamasters.com bloodsongs bloodsongs10.html title Bloodsongs, Issue 10 publisher Chris A. Masters date accessdate 2010 09 26 archiveurl http www.webcitation.org 5t1cXeK6V archivedate 2010 09 26 deadurl no ref In 2005 A Positive was republished in Kaaron Warren s collection, The Grinding House which was edited by Warren and published by CSFG Publishing . ref name ISFDB GRINDHOUSE cite web url http www.isfdb.org cgi bin pl.cgi?THGRNDNGHS2005 title Publication Listing publisher ISFDB date accessdate 2010 09 26 archiveurl archivedate deadurl no ref A Positive won the 1998 Aurealis Award for best horror short story beating works by Paul Brandon, Glyn Parry author Glyn Parry , Aaron Sterns, as well as her other work that was nominated, The Glass Woman . ref name LI1999 cite web url http www.locusmag.com SFAwards Db Aurealis1999.html title The Locus Index to SF Awards 1999 Aurealis Awards publisher Locus Online date accessdate 2010 03 23 archiveurl http www.webcitation.org 5ognRjHc5 archivedate 2010 04 02 deadurl no ref Synopsis Empty section date February 2010 References reflist DEFAULTSORT Positive Category 1998 short stories Category Australian short stories Category Horror short stories Category Works originally published in Australian magazines Category Works originally published in horror ... more details
&q positive 20economics&topicid &result number 1 Abstract. ref Earlier terms were value free economics and its German language German counterpart wertfrei economics. Positive economics as science , concerns ... of Economic Science . ref A standard theoretical statement of positive economics as Falsifiability operationally meaningful theorems is in Paul Samuelson s Foundations of Economic Analysis 1947 . Positive economics as such avoids economic Value theory value judgements. For example, a positive economic .... Such debates are reflected in discussion of positivescience and specifically in economics ...Positive economics as opposed to normative economics is the branch of economics that concerns the description and explanation of economic phenomena. ref name Wong Stanley Wong 1987 . positive economics ... theories . ref Richard Lipsey Richard G. Lipsey 2008 . positive economics. The New Palgrave Dictionary ... instruction on what policy ought to be followed. Still, positive economics is commonly deemed necessary ... economics . Positive economics is sometimes defined as the economics of what is , whereas normative ... in Positive Economics essay . ref Milton Friedman 1953 . Essays in Positive Economics The Methodology of Positive Economics The Methodology of Positive Economics , Essays in Positive Economics . ref The methodological basis for a positive normative distinction has its roots in the fact value distinction ... and agenda free. Positive economics usually answers the question why . To illustrate, an example of a positive ... risen from 3 a gallon to 5 a gallon in the past five years. br This is a positive statement because ... 2 References Andrew Caplin and Andrew Schotte, ed. 2008 . The Foundations of Positive and Normative ... gbs atb v onepage&q&f false preview. Milton Friedman 1953 . Essays in Positive Economics The Methodology of Positive Economics The Methodology of Positive Economics , Essays in Positive Economics . Daniel ... How could ethics matter to economics? , pp. 211 20 A.2 Objection 2 Positive economics is value free ... more details
Positive Thinking... or Positive Thinking may refer to one of two songs Positive Thinking... Acoustic Alchemy Positive Thinking Acoustic Alchemy Positive Thinking... Morecambe and Wise Positive Thinking Morecambe and Wise Disambiguation ... more details
infobox company company name The Positive Internet Company Ltd. company logo Image Posilogo small.png company type Private Limited UK Corporation US company slogan We re good foundation 1998 location London and New York City key people Tom Cordiner, Joachim Jellinek, Nicholas Mailer industry Internet & Telecommunication Communications services Web hosting homepage http www.positive internet.com The Positive Internet Company Ltd is a Web hosting service provider originally founded in the United Kingdom and now operating in both the United States and the UK. Positive was the first UK LAMP software bundle LAMP only hosting company, starting on 25 November 1998 and is known for its distinctive giraffe branded logo and its slogan we re good . Initially providing only shared web hosting, Positive Internet has grown its portfolio of services to include dedicated and managed Linux servers. It won the Best Linux Open Source ISP Internet Host at the 2006 Linux and Open Source Awards. ref cite news title Association news work ALT News publisher Association for Learning Technology date 2006 11 17 url http www.alt.ac.uk news detail.php?nid 160 accessdate 2008 01 13 ref Notable hosted sites In February 2006 Positive Internet hosted the The Ricky Gervais Show Ricky Gervais Show podcast , which was officially ... of The Positive Internet Company registration page ref ref name ubuntu release mirror link https launchpad.net ubuntu mirror ubuntu.positive internet.com release Ubuntu releases mirror of The Positive ... s website, and the British Film Institute . In July 2007 they became host to science journalist Ben Goldacre s popular website, Bad Science. ref name BadScience cite web last Goldacre first Ben authorlink Ben Goldacre coauthors title Positive Internet are the new gods hot badscience 2.0 action work publisher Bad Science date 2007 07 11 url http www.badscience.net ?p 446 format doi accessdate 2007 09 19 ref References reflist External links http www.positive internet.com Positive Internet UK company ... more details
orphan date April 2010 wikify date November 2009 Broadly defined, positive neuroscience is the study of what the Human brain brain does well. Instead of studying mental illness , positive neuroscientists focus on valued cognitive qualities that serve to enrich personal life and or society. Topics in positive neuroscience overlap heavily with those of Positive Psychology , but use neuroimaging techniques to extend beyond the behavioral level and explain the neurobiology which underpins positive cognitive phenomena such as intelligence , creativity , optimism , and healthy aging . ref http www.positiveneuroscience.com positiveneuroscience ref Background Though positive neuroscience is only beginning to be recognized as an emerging field, empirical research of optimal or exceptional brain functioning has been conducted at least as far back as the 1970s. Early work was confined to the use of lesion studies, and thus was only very case specific. Human Electroencephalography , first practiced in 1920 ref Cite journal author Swartz, B.E year 1998 last2 Goldensohn month first2 ES title Timeline ... volume 106 issue 2 pages 173 6 url http www.sciencedirect.com science? ob MImg& imagekey B6SYX ... of positive neuroscience phenomena have incorporated functional imaging functional magnetic resonance ... in the field of positive neuroscience include Martin Seligman Martin Seligman s lab at the University ... the brain enables flourishing. Qualifying projects had to apply tools of neuroscience to positive psychological concepts , and focus on one of the following areas Virtue , strength, and positive emotion ... brains of exceptional individuals and what can we learn from them? Meaning existential Meaning and positive ... www.posneuroscience.org Positive Neuroscience Project . References See Wikipedia Footnotes ... External links http www.positiveneuroscience.com Positive Neuroscience Homepage http www.posneuroscience.org Positive Neuroscience A Project of the University of Pennsylvania and the John Templeton Foundation ... more details
Positive definiteness is a property of the following mathematical objects Positive definite bilinear form Positive definite matrix Positive definite function Positive definite kernel Positive definite function on a group mathdab eo Pozitive difinita fi Positiivisesti definiitti nl positief definiet uk ... more details
Science Business Media ref Categories of Positive Interdependence Positive interdependence strategies can be categorized into four major groups Positive Goal Interdependence Positive Resource Interdependence Positive Role Interdependence Positive Identity Interdependence ref name Johnson&Johnson Positive Goal Interdependence is achieved when learners share the same goals and perceive that group ...wikify date November 2011 Positive Interdependence is an element of cooperative learning cooperative ... goals , positive interdependence happens when individuals perceive that they can attain their goals ..., positive interdependence results in members of a group encouraging and facilitating each ... 38 issue 5 url http edr.sagepub.com content 38 5 365.abstract. pages 366 367 ref Positive interdependence ... of another , positive cathexis investment of positive psychological energy in objects outside ... theory and social psychology s social interdependence theory, positive interdependence theory is the foundation of modern collaborative and cooperative practice in business, science, and education. Kurt ... positive, negative, and none. ref name Deutsch 1962 cite book last Deutsch first M. year ... psychology, with his brother Roger Johnson, a science educator, and their sister, educator Edye Johnson Holubec, further developed positive interdependence theory as part of their research and work ... founded in 1969 . Johnson, Johnson, and Holubek identify positive interdependence as the first essential element for successful cooperative learning . ref name Johnson&Johnson Positive interdependence ... does not increase productivity or lead to higher achievement in learning groups instead, positive interdependence ... to facilitate Positive Interdependence Joint rewards, divided resources, and complementary roles are effective methods of facilitating positive interdependence. An example of a joint reward would ... information or tool to achieve a common goal, and thus promote positive interdependence. ref name ... more details
Proof positive is evidence considered to be final absolute proof of the existence of something conclusive proof. It may also refer to Proof Positive Greene story Proof Positive a short story by Graham Greene . Proof Positive album Proof Positive an album by American jazz musician J. J. Johnson . Proof Positive TV series Proof Positive a paranormal investigation TV series that aired on the SyFy channel. Proof Positive a novel by Phillip Margolin disambig ... more details
The term positive map may refer to Positive definite function s in classical analysis. Choi s theorem on completely positive maps positive maps between C star algebra C sup sup algebras . mathdab ... more details
Positive control may refer to Positive control group in Scientific control Positive scientific controlled experiments Positive control, the Air traffic control practice of controlling aircraft whose positions are determined by direct radar observation disambig ... more details
In mathematics, positive semidefinite may refer to positive semidefinite matrix positive semidefinite function See also semidefinite bilinear form mathdab ... more details
Positive displacement may refer to Positive displacement pump Positive displacement meter disambig Long comment to avoid being listed on short pages ... more details
Positive Attitude may refer to Positive Attitude comic book Positive Attitude comic book , the 29th book in the Dilbert comic strip series by Scott Adams La positive attitude , a song from the French singer Lorie in the album Attitudes Lorie album Attitudes Optimism disambig fr Positive attitude ... more details
Image Ideal feedback model.svg thumb Figure 1 Ideal feedback model. The feedback is positive if B 0 right File Herdwick Stampede.jpg thumb right Alarm or panic can spread by positive feedback among a herd ... of a stampede as a positive feedback loop. Positive feedback is a process in which the effects ..., MA. ref Positive feedback tends to cause Control theory Stability system instability . When there is more positive feedback than there are stabilizing tendencies, there will usually be exponential ... end with the system Latch electronics latched into a new stable state. Positive feedback may be controlled ... Northern Rock bank run 2007.jpg thumb right In sociology a network effect can quickly create the positive ... UK Northern Rock 2007 bank run . See also viral video . Positive feedback is used in digital ..., thermal runaway is a positive feedback that can destroy semiconductor junctions. Positive feedback ... explosions . Positive feedback in mechanical design causes Tipping point physics tipping point , or over ... and locking pliers . Out of control, it can cause Tacoma Narrows Bridge 1940 bridges to collapse . Positive feedback in economic systems can cause Economic boom boom then bust cycles . In the term positive feedback , positive refers to the mathematical sign of the direction of change rather than the desirability ... York isbn 0 385 26094 6 pages 424 ref In social and financial systems, positive feedback effects may ... feature of positive feedback is that small disturbances are amplified. When positive feedback ... in a system which exhibits positive feedback, the system responds by changing that variable even more in the same direction. The end result of positive feedback is to Amplifier amplify so that small ..., then there is a high likelihood of positive feedback. If the heat produced is not removed from the reactants .... Formally, a system in equilibrium in which there is positive feedback to any change from its .... In the real world, positive feedback loops do not cause ever increasing growth, but are modified ... more details
Positive Deviance is an approach to behavioral and social change based on the observation that in any ... resources or knowledge than their peers. These individuals are referred to as positive deviants. ref name Tuhus Dubrow, R 2009 Tuhus Dubrow, R. The Power of Positive Deviants A promising new tactic ..., R. 2000 . The power of positive deviancy. Harvard Business ref ref name Singhal, Arvind 2010 Singhal, Arvind, and Lucia Dura. Protecting Children from Exploitation and Trafficking Using the Positive ... positive deviants to identify approaches for modification of dietary practices. Am J Public Health. 1976 66 1 38 42. ref ref Zeitlin, Marian, Hossein Ghassemi, and Mohamed Mansour. Positive ... for Development. The United Nations University, 1990. Print. ref Principles of the PD approach The Positive ..., Sternin, & Sternin. 2010 The Power of Positive Deviance How Unlikely Innovators Solve the World ..., Ambreen, Amama, Shaifique, Mohammad, Sternin, Monique. The Positive Deviance Approach to Improve ... UAT, Marsh DR, Schroeder DG. Sustained positive deviant child care practices and their effects on child ... This approach to programming was different in important ways. Based on a community s own assets, the Positive ... establishes that there are Positive Deviants in their midst. Discover uncommon practices or behaviors This is the Positive Deviance Inquiry. The community, having identified positive deviants ... of positive deviance PD approach in preventing hospital acquired infections The PD approach ..., Ramanadhan R, et al. Research in action using positive deviance to improve quality of health care. Implementation Science. May 2009 4 25. ref Public health applications A PD project helped prisoners ... of safe sex practices among Rwandan youth a positive deviance approach. African Journal ... Marsh DR, Sternin M, Khadduri R, et al. Identification of model newborn care practices through a positive .... 2002 23 4 107 116. ref Egypt , ref Ahari M, Houser RF, Yassin S, et al. A positive deviance based ... more details
citation style date December 2011 Inappropriate tone article date October 2008 Positive illusions are unrealistically favorable attitudes that people have towards themselves. Positive illusions are a form ... positive illusions journal Behavioral and Brain Sciences year 2009 volume 32 issue 6 pages 526 527 doi 10.1017 S0140525X09991270 publisher Cambridge University Press ref The term positive illusions ... about the extent to which people reliably demonstrate positive illusions, and also about ... Colvin, Jack Block title Do positive illusions foster mental health? An Examination of the Taylor ..., positive attributes are judged to be more descriptive of themselves than of an average person, whereas ... in memory, most people also tend to perceive that their performance was more positive than it actually ... of the time taken for a variety of tasks Buelher et al., 1994 . Origins The theory of positive ... is prone to illusion. Positive illusions have been commonly understood as one of the apparent ... seemed to be displayed by positive self viewers only. In fact, the negative viewers were ... that there may be modest genetic contributions to the ability to develop positive illusions Owens et al., 2007 . Early environment also plays an important role people are more able to develop these positive ... . The cultural prevalence also has a significant role in positive illusions. Although it is easy to document positive illusions in individualistic Western cultures, people in collectivist East Asian ... weak. One explanation for this is that most people only have mild positive illusions Taylor ... differences between the strength of positive illusions people have. Therefore some people ... this effect appears weak. Robins & Beer, 2001 . Benefits and liabilities Positive illusions ... hand, unrealistically positive expectations may prevent people from taking sensible preventative action ... Psychological Science in the Public Interest year 2004 volume 5 issue 3 pages 69 106 doi 10.1111 ... more details
s comments. ref The science of psychology has been far more successful on the negative than on the positive ...Psychology sidebar Positive psychology is a recent branch of psychology whose purpose was summed up in 1998 by Martin Seligman and Mihaly Csikszentmihalyi We believe that a psychology of positive human ... E.P. authorlink Martin Seligman coauthors Mihaly Csikszentmihalyi Csikszentmihalyi, Mihaly title Positive ... doi 10.1037 0003 066X.55.1.5 pmid 11392865 ref Positive psychologists seek to find and nurture genius ... William C title An Introduction to Positive Psychology publisher Wadsworth Publishing year 2005 pages ... how things go right. Positive psychology acts as an umbrella under which various topics in psychology ... 264684 my.access University of Toronto Libraries Portal Bot generated title ref List of positive psychologists ... and institutions. ref cite book url http books.google.com books about A primer in positive psychology.html?id fUPBDc4HU0oC title A primer in positive psychology, Christopher Peterson publisher Books.google.com date accessdate 2011 11 12 ref Positive psychologists are concerned with four topics 1 positive experiences, 2 enduring psychological traits, 3 positive relationships and 4 positive institutions. ref Peterson, C. 2009 . Positive Psychology . Reclaiming Children and Youth. Vol.18, Issue ... empirical support from studies by positive psychologists. Positive psychology has also moved ahead in a number of new directions. Positive psychology began as a new area of psychology in 1998 when Martin Seligman , considered the father of the modern positive psychology movement, ref Goldberg, Carey ... in the special issue on The Science of Happiness , 2005 format PDF date accessdate 2011 02 07 ref ... , ref Note the last chapter is entitled Toward a Positive Psychology . ref and there have been indications ... 2011 Edition publisher Wadsworth Cengage Learning quote see page 26 for discussion on Positive Psychology ... Authentic Happiness Using the New Positive Psychology to Realize Your Potential for Lasting Fulfillment ... more details
Stay Positive may refer to Stay Positive album Stay Positive album , an album by The Hold Steady Stay Positive The Streets song Stay Positive The Streets song Stay British band disambiguation Short pages monitor This long comment was added to the page to prevent it from being listed on Special Shortpages. It and the accompanying monitoring template were generated via Template Long comment. Please do not remove the monitor template without removing the comment as well. ... more details
Positive selection may refer to Positive selection as an Thymocyte Events during maturation event during thymocyte maturation Directional selection , a particular mode or mechanism of natural selection. disambig immunology T cells that express TCR can bind weakly to self antigenson MHC are selected in positive selection ... more details
Infobox Newspaper name Positive News logo image caption type Quarterly newspaper format owners publisher Positive News Publishing Limited editor Se n Dagan Wood chiefeditor Shauna Crockett Burrows assoceditor maneditor newseditor managingeditordesign campuseditor campuschief opeditor sportseditor photoeditor staff foundation political language English language English ceased publication headquarters 5 Bicton Enterprise Centre,Clun, Shropshire, SY7 8NF, UK circulation 50,000 sister newspapers Positive News US, Positive News Hong Kong, Noticias Positivas Argentina , Noticias Positivas Spain ISSN oclc website http www.positivenews.org.uk Positive News is a solution focused newspaper, reporting on people and initiatives that are creating a sustainable, just and fulfilling world. Positive News aims to inform, inspire and empower its readers, while helping create a more responsible and balanced media. It was founded in 1993 by Shauna Crockett Burrows. Format and circulation Published in the UK, Positive News is a quarterly newspaper with a circulation of 50,000 copies. Sister editions are published independently in the US circulation 40,000 and Hong Kong circulation 5,000 , with online only versions also published in Argentina and Spain. ref http www.positivenews.org.uk ref References reflist External links http www.positivenews.org.uk Positive News http www.positivenewsus.org Positive News US http noticiaspositivas.org Positive News Argentina http noticiaspositivas.net Positive News Spain Category Quarterly journals Category Companies based in Shropshire UK newspaper stub ... more details
In economics and philosophy , a positive statement concerns what is , was , or will be , and contains no indication of approval or disapproval what should be . Positive statements are testable or, at least, it is possible to imagine facts that disprove them but can be factually incorrect The moon is made of black and gold cheese is empirically false, but is still a positive statement, as it is a statement about what is, not what should be. Positive statements are contrasted with normative statement s, which do make value judgements. Historical origins of the term could include reference to the philosophical notion of positivism . Citation needed date October 2010 References Cite book title An introduction to positive economics edition fourth pages 4 6 first Richard G. last Lipsey year 1975 publisher Weidenfeld & Nicolson isbn 0297768999 http www.unc.edu depts econ byrns web Economicae Figures Positive Normative.htm Economae An Encyclopedia DEFAULTSORT Positive Statement Category Economics terminology Category Statements economic term stub ... more details
Unreferenced stub auto yes date December 2009 Positive pressure is a pressure within a system that is greater than the environment that surrounds that system. Consequently if there is any leak from the positively pressured system it will egress into the surrounding environment. Use is also made of positive pressure to ensure there is no ingress of the environment into a supposed closed system. A typical example of the use of positive pressure is the location of a habitat in an area where there may exist flammable gasses such as found on an oil platform . This kind of positive pressure also used on Operation theaters and IVF labs. To maintain positive pressure the room should be well sealed without any loop holes Hospitals may have positive pressure rooms for patients with compromised immune system s. Air will flow out of the room instead of in, so that any airborne microorganisms e.g., bacteria that may infect the patient are kept away. Amphibians use this process to Respiration physiology respire , whereby they use positive pressure to inflate their lungs . This process is important in human and chick development. Positive pressure, created by the closure of anterior and posterior neuropore s of the neural tube during neurulation , is a requirement of brain development. See also Negative pressure disambiguation Plenum Overpressure DEFAULTSORT Positive Pressure Category Classical mechanics Category Gas technologies Classicalmechanics stub de berdruck sv vertryck lufttryck ... more details
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