Commonly recognized by a blue label, dry powder extinguishers are sometimes called ABC extinguishers. These multi-function extinguishers may be used on fire classes A, B and C, meaning they can be employed with combustible products, flammable gases and flammable liquids. Both equally types of systems are used in creating. On https://worldsocialindex.com/story3984622/helping-the-others-realize-the-advantages-of-conventional-fire-system