Difference between flame arrester and flame screen ?

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Flame arresters are used:
 to stop the spread of an open fire
 to limit the spread of an explosive event that has occurred
 to protect potentially explosive mixtures from igniting
 to confine fire within an enclosed, controlled, or regulated location
They are commonly used on:
 fuel storage tank vents
 fuel gas pipelines
 safety storage cabinets for paint, aerosol cans, and other flammable mixtures
 the exhaust system of internal combustion engines
 Davy lamps in coal mines
 overproof rum and other flammable liquors[2].
(I think its not flame screen but flame arrestor screen)
Flame arrestor screen: A mechanical device installed on a storage tank or portable container nozzle designed to prevent the build up of flammable vapors and quickly extinguish a fire in the container by rapidly dissipating heat from the fire. It is made of double mesh wire and extends inside the container from the nozzle.