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Forgot to replace the word "engines" with "controls", which is how they're used in this context
'''Air pressure''' is the [[scientific]] name for the [[pressure]] we experience every day due to the [[weight]] of the [[atmosphere]]. The typical air pressure at [[sea level]] is one atmosphere (1 atm, or 760 millimeters of [[mercury]]); as you climb higher, the air pressure decreases. For example, the air pressure on top of [[Mount Everest]] is less than the air pressure on top of [[Mount McKinley]].
'''Air pressure''' is the [[scientific]] name for the [[pressure]] we experience every day due to the [[weight]] of the [[atmosphere]]. The typical air pressure at [[sea level]] is one atmosphere (1 atm, or 760 millimeters of [[mercury]]); as you climb higher, the air pressure decreases. For example, the air pressure on top of [[Mount Everest]] is less than the air pressure on top of [[Mount McKinley]].
Air pressure is used by modern industry, in the form of [[pneumatic engine]]s. [[Hydraulic engine]]s are similar to pneumatic engines, but use fluid pressure instead of air pressure, and are more precise due to the non-compressible quality of the fluids used.
Air pressure is used by modern industry, in the form of pneumatic controls. Hydraulic controls are similar to pneumatic ones, but use fluid pressure instead of air pressure, and are more precise due to the non-compressible quality of the fluids used.
[[Category:Science]]
[[Category:Science]]
[[Category:Meteorology]]
[[Category:Meteorology]]