Industrial Fire Fighting

Issue 4 and Volume 105.

Industrial Fire Fighting Part 2 of a Series IV—Extinguishers (Continued) Dry Chemical, on the other hand, is quick and it can be used from a greater distance than CO2. But CO; leaves no mess, and will not damage even the most delicate fabrics or instruments. Dry Chemical and CO2 can be used on fires in which the burning liquid is flowing or dripping. So you can see each type has its advantages and its limitations. While not officially approved for use on Class “A fires, Dry Chemical (and to a lesser degree, CO2 and Vaporizing Liquid) will extinguish superficial fires such as those in waste paper, loose excelsior, curtains, etc. It will “knock down” the flames in small Class “A ’ fires in heavy material such as a construction shanty, dwelling or similar structure, leaving only glowing embers which can then be extinguished in less haste by the use of…

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