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What does tear gas do?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 29. April 2013, 22:46
Stufe: B1-B2 (Mittelstufe)

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You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers