Ordinarily identified by a blue label, dry powder extinguishers are sometimes referred to as ABC extinguishers. These multi-function extinguishers may be used on fire lessons A, B and C, which implies they may be made use of with combustible materials, flammable gases and flammable liquids. 1 crucial element of fire https://bookmarkassist.com/story18467598/not-known-facts-about-conventional-fire-system