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How It's Made Mini-Episodes: Fire Extinguishers
The first fire extinguisher on record was built in Europe in the middle ages; it simply squirted water. Today's fire extinguishers use flame retardants. In this minisode of How It's Made, find out how fire extinguishers are created.
Added: Apr 27, 2011
Views: 1671 Views
Runtime: 05:06
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