Over the last several years the chlorofluorocarbon propellant used in aerosol cans has been replaced with hydrocarbons such as butane, propane, and isobutane. These flammable gases would normally be prohibited on passenger carrying airplanes but there is an exception for up to 75 ounces per person...
The small, portable can enabled soldiers serving in the Pacific during the war to defend againstmalaria-carrying mosquitoesby spraying insidetentsand airplanes.Today aerosol spray cans are most commonly lacqueredtinplate (steel with a layer of tin) and may be made of two or three pieces of metal...