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  1. Aerosol spray dispenser. Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles. It comprises a can or bottle that contains a payload, and a propellant under pressure. When the container's valve is opened, the payload is forced out of a small opening and emerges as an aerosol or mist.

  2. Feb 15, 2019 · An aerosol is a colloid of fine solid particles or liquid droplets, in the air or another gas. Aerosols can be natural or artificial. Frederick G. Donnan presumably first used the term aerosol during World War I to describe an aero-solution, clouds of microscopic particles in the air. Origins.

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  4. Feb 18, 2021 · Spray paint comes in aerosol cans that release a gas containing tiny, suspended particles of pigment. Lots of tiny particles also are suspended in the gases that make up our atmosphere. When scientists refer to aerosols, they usually are talking about those in our air.

  5. The first use for an aerosol package arose during World War II, but the idea of using low-pressure liquefied gas to atomize droplets of liquid in the air was developed in 1924. Canisters filled with insecticide and propellants were used to protect U.S. servicemen from insects carrying diseases such as malaria.

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