Tear gas

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Tear gas in uise in Fraunce in 2007

Tear gas, formally kent as a lachrymatory augent or lachrymator (frae the Laitin lacrima, meanin "tear"), is a chemical wappen that causes severe ee, respiratory, an skin irritation, pyne, vomitin, an even blindness. In the ee, it stimulates the nirves o the lacrimal gland tae produce tears.