Air Compressors
Small mechanically activated diaphragm pumps are also used as air compressors and as a source of low-grade vacuum. Compared to other compressors, these pumps are quiet, cheap and, most importantly, have no moving parts in the airstream. This allows them to be used without added lubrication in contact with the air, so the compressed air produced can be guaranteed clean.
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Famous quotes containing the word air:
“Liberty is the air that we Americans breathe. Our Government is based on the belief that a people can be both strong and free. That civilized men need no restraint but that imposed by themselves against the abuse of freedom.”
—Franklin D. Roosevelt (1882–1945)
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