Portable Extinguisher 1 : A portable device carried or on wheels and operated by hand containing an extinguishing agent that can be expelled under pressure for the purpose of suppressing or extinguishing fire
NFPA 122 Standard for Fire Prevention and Control in Metal/ Nonmetal Mining and Metal Mineral Processing Facilities, 2004 ed. http://catalog.nfpa.org/NFPA-122-Standard-for-Fire -Prevention-and-Control-in-MetalNonmetal-Mining-an d-Metal-Mineral-Processing-Facilities-Prior-Years- P4168.aspx, (Std: FrPrev and Cont in Metal/ Nonmetal Mining and Metal Mineral Procss Fcilty - Amer) {254 NFC}