Tear Gas - MSN Encarta

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Lachrymatory agent - Wikipedia, the free encyclopedia
A lachrymatory agent or lachrymator (from lacrima meaning "a tear" in Latin) is a chemical compound that stimulates the corneal nerves in the eyes to cause tears, pain, and even ...
Tear Gas Clean Up
Tear gas residue clean up and restoration of the environment. ... Treatment and Removal of Tear Gas Residue. Tear Gas is a chemical substance that irritates the eyes and mucous ...
Amazon.co.uk: Tear Gas and Ticket Touts: With England Fans at the ...
Amazon.co.uk: Tear Gas and Ticket Touts: With England Fans at the World Cup: Eddy Brimson: Books

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Tear Gas, chemical substance, such as chloroacetophenone, usually in liquid or gaseous form, that causes temporary blinding and excessive tears when it comes into contact with the eye. It is used as a means of riot control.