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Everything you need to know about tear gas
The use of different types of tear gas goes back to World War I, but modern tear gas is extremely powerful. A single milligram per cubic meter is all it takes to cause irritation to a human being.
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The use of different types of tear gas goes back to World War I, but modern tear gas is extremely powerful. A single milligram per cubic meter is all it takes to cause irritation to a human being.
Web Editor : Jessica PatrickPosted 2020-06-04T08:05:23-0400 - Updated 2020-06-04T08:05:23-0400
