You wouldn’t use a screwdriver to hammer in a nail, and you shouldn’t put water on a grease fire. You need the right tool for the right job. But how do we know when to use each fire extinguisher in an ...

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 ...