Spray cans {aerosol can}| {spray can} can contain pressurized gas-and-liquid mixtures, which expand out a small hole after pressing button. Expansion force breaks liquid into tiny droplets in gas. Freon gas turns to liquid at pressure six atmospheres.
Air can mix with liquid and blow out an opening in a fine spray {atomizer}|.
Machines {vaporizer}| can push water against a screen to make spray or heat water to make steam.
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Date Modified: 2022.0225