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What’s inside a fire extinguisher?
A full fire extinguisher is cut in half with a 60,000 psi waterjet cutter, revealing a surprisingly dry interior. This cross-section allows viewers to see how a fire extinguisher works. #Waterjet ...
On February 10, 1863, Alanson Crane patented the first US fire extinguisher, a system of water-filled pipes within walls and ...
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