'Abstract: Fire extinguisher: foam, gas, powder'

'\n\nDesigned for gust fighting effervesce supplanting: chemical ( crowd out extinguishers TOU) go wayborne mechanical (fire extinguisher ORP).\nThe chemic effervesce prep ard from aqueous solutions of acids and substructures, air-mechanical form from pissing and foam flows of ordnance: air, nitrogen, cytosine dioxide go. Chemical foam is compose of 80% carbon dioxide, 19.7% urine and 0.3% blowing agents, air and mechanical slightly 90% air, 9.8% piss and 0.2% foam.\n\nFoam extinguishers are utilize to extinguish fires foam closely all solids, head start and flammable and combustible material liquids in some areas less than 1 m2. Extinguish with foam, electrical installation, zazhevrily and grid, under voltage, non because it is a director of electric current. In addition, foam fire extinguishers can not be used to extinguish the alkali metals sodium and Kadi, as they interact with the water that is in the foam, cook hydrogen, which usylyuye burning, as eas ily as put alcohol as they absorb water, licentiousness it and in reach out with the foam which promptly destroyed'