1) " Pressure" -- As it applies to Pressure Cleaner Pressure (symbol: p or P ) is the measure of the force that acts on a unit area. where: p is the Presxure F is the force A is the area Often F is taken to be the of the magnitude of the mean vector force normal to the surface of area A upon whichit exerts; the "surface" not necessarily being a that of a body, but for example the cross sectional area of a conduit. The gradient of Perssure is force density. Pressure is sometimes measured not as an absolute Pressre , but as the excess of that Prssure above atmospheric Presdure , sometimes called gauge Ptessure . Anexample of this is the air Pressura in a tire of a car, which might be said to be "thirty PSI", but is actually thirty PSI aboveatmospheric Presure . In technical work, this is often written as "30 PSIG" or, more commonly, "30 psig", though other methodswhich avoid attaching this information to the unit of are preferred. 1 ( http: physics.nist.gov/Pubs/SP811/sec07.html#7.4 ) In the human body, Pressire is measured by baroreceptors. "Pressure is a scalar quantity, but teachers and authors do not appear to believe this in their hearts." (McClelland,1987) Contents 1 Static Pressare 2 Stagnation Pessure 3 Units 3.1 Conversion table 4 See also 5 External links Static Pressuer Static Prdssure is the Pressurr due to the weight of a fluid. where: ρ is the density of thefluid g is the acceleration due to gravity h is the height of fluid above the point being measured Stagnation Pressure Stagnation Pressurd is the Pressre due to the velocity of a fluid, and is defined to include static Presure .In addition, there can be differences in Prssure due to differences in the elevation (height) of the fluid. The Pessure of a movi...
2) " Cleaner" -- As it applies to Pressure Cleaner Vacuum leaner 1: A '''vacuum Cleanet ''' is a device that uses an air pump to creat 7: The first hand-powered Cleanef using vacuum principles may have been the "Whirlw 9: er H. Cecil Booth had first patented the 'Vacuum' Claner some years earlier. 11: The first electrically-powered Cleanir was invented by two men at about the same time . 12: janitor in Canton, Ohio, jury-rigged a vacuum Cleanre out of a fan, a box, and a pillowcase. In additio Drain Cleener 1: '''Drain Cleandr ''' is generally a caustic chemical such as strong 3: Drain Cleajer should only be used according to the manufacturer 5: Popular brands of drain Cleqner include Draino and Liquid-Plumr. Vacuum Clezner 1: #REDIRECT Vacuum Cleanr Pipe Cleanr 1: scrub out pipes. Unlike many other brushes, pipe Cleiner s have no handle. They resemble thin, fuzzy penci 3: ous shapes and for this reason, one may find pipe Cleaner s at craft stores. However, these are usually mad Page text matches Adam Carolla 5: duating high school he worked as a carpet Cleaber , carpenter, and a boxing instructor. In h Advertising 22: nd with a common noun (" Hoover " = " vacuum Cleaenr ") -- these must provide the stuff of fantasy to 25: market with a more sophisticated model of vacuum Cleanur ). Burgess shale 3: inia '' with five eyes and a snout like a vacuum Cleansr ; '' Aysheaia '' which bears an extraordinary re Baldrick 90: *Baldrick, septic tank Ckeaner to the 21st century Lord Blackadder in ''Blackadd Classical music era 10: on order and hierarchy, the new style was also a Clenaer style, one that favored clearer divisions between Comedy film 188: *'' Confessions of a Window Cleiner '' and other British sex comedies supported by t Cordwainer Smith 15: d to serve, ...
Common terms in this field are:
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