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Pressure 3073
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Pressure is the ratio of force to the surface area over which it is exerted. Though solids exert pressure, the most interesting examples of pressure involve fluids—that is, gases and liquids—and in particular water and air. Pressure plays a number of important roles in daily life, among them its function in the operation of pumps and hydraulic presses. The maintenance of ordinary air pressure is essential to human health and well-being: the body is perfectly suited to the ordinary pressure of the atmosphere, and if that pressure is altered significantly, a person may experience harmful or even fatal side-effects.

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sujes bundhoo
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May 2, 2008 @ 11:11 am
very good presemtation
covers many aspects of pressure
Musebe Maina Jeff
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Nov 18, 2009 @ 1:01 am
This article has enabled me pass my degree course.
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Oct 5, 2011 @ 6:06 am
very good keep up the good work.Quality work. Highly appreciable work
rishi vERMA
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Nov 19, 2012 @ 7:07 am
what is the application and classification of pressure
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Dec 5, 2013 @ 1:01 am
Its awesome!!! thanks a lot.. very good information ..:)
Abraham okere
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Jul 31, 2014 @ 6:18 pm
Every good research keep it up.and God bless the parents that gave barth 2 you

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