Commonly discovered by a blue label, dry powder extinguishers are sometimes named ABC extinguishers. These multi-function extinguishers can be employed on fire lessons A, B and C, which means they are often used with combustible elements, flammable gases and flammable liquids. Conventional fire alarm systems, when built, mounted, and preserved https://bookmarksurl.com/story4007783/considerations-to-know-about-conventional-fire-system