A riot control agent is a non-lethal chemical used to disperse a riot. It can rapidly produce sensory irritation or disabling physical effects which disappear following termination of exposure. Examples include tear gases such as CS gas and CN gas as well as pepper spray.
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DB
DB can mean the following:
dB is the abbreviation for Decibel; see Bel
DB is a French automobile maker; see DB (car)
DB is the abbreviation for ...