Document o9bvLM4oQx5mkQRmzzMg2Y9ro

Know How to Use th Five Handy Fire Fighters. ight Fire Extinguisher By STEVE ElONKA, AttoCrete Editor ;'iiV. SODA ACID 08 WATER. Use oh clou A fires only. Start ot top of wait .and work down, wetting mrfoco as you go to knock down flame. Then go bock ond drench thoroughly to prevent refloth. Rongo of ttreem is from 30 to 50 feet How to Operate. FOAM. Use n clou B, alsoo on class fires. Back the streom of foam off the opposite side of the wall (if possible) to build up o solid blonkot of foam with* Out splashing the burning liquid ond with* out spreading it. RonQe is 30 to 40 feet DRY CHEMICAL. For class B and C fires. Oireet streom Into noarest corner of fire (if possible) and sweep across flame. Chemical releases o smothering gos on fire; fog of dry chemical shields opera tor from the heat. Range ts 8 to 12 feel VAPOR1ZINO LIQUID. For dot* B and C fires. Ptay streom against side of con tainer or woil to break It into droplets so liquid vaporises quickly. Remember, It's tho vaporised got ond not tha liquid that puts out firo so gas must contact fire SODA ACID OR WATER. Turn upside down, bump on ground to creole pressure. Moin extinguishing ogent is woter, so keep owoy from the electrical equipment CARBON DIOXIDE <COi). Unhook hose, puli out lock pin, squeeto trigger or turn handwheel. Discharge ot fire boie. K**P the stream rongo ot about 3 to 6 W PUNT OPERATION AND MAINTENANCE SECTION *P. The foom h a flowing blanket of Arabia bubbles filled with an Inert gas DRY CHEMICAL. Remove ring pin, free hose, push' lever down, iquooto noizlehondle--or. If another moke, unhook hose, pull lock pin ond squeeie trigger VAPORIZING LIQUID. Unlock by turning handle. Pump stream on burning mate rial. Range el streom is 20 to 30 ft. V-L is nonconductor, won't domoge equipment December 1933 PLANT OPERATION AND MAINTENANCE SECTION ns