Atụmatụ ngwaahịa: Brass bọọlụ na-ejikarị ọla kọpa H62 / 65 eme ihe, nke a na-ejikarị na ngwa eletriki dị iche iche, ngbanwe, polishing, na conductive.
Bọọlụ ọla kọpa nwere ezigbo mgbochi nchara ọ bụghị naanị na mmiri, mmanụ ụgbọala, mmanụ ala, kamakwa benzene, butane, methyl acetone, ethyl chloride na kemịkal ndị ọzọ.
Mpaghara ngwa: A na-ejikarị ya maka valves, sprayers, ngwá, gauges, mita mmiri, carburetor, ngwa eletriki, wdg.