A History of Aerosol Spray in America (604 words, 4 pages)
Spray cans produce an aerosol, the technical term for a veryfine spray. They do this by means of a pressurized propellant, whichis a liquid that boils at everyday temperatures. Inside the can, alayer of gaseous pressure increased, and eventually it becomes sohigh that boiling stops. when the nozzle is pressed, ...
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