Ihe na-emetụta ndụ ọrụ nke Standard

Nke abuo, mgbeebuEmbrayo na-arụ ọrụ, n'ihi na plastik nwere chlorine na ihe ndị ọzọ, ụfọdụ ndị na-eme ihe ike corrosive mgbe kpochara, na-abawanye elu ya, ma na-amụba elu ya. Ya mere,ebuẹmbrayo kwesiri inwe nguzogide corsonion.

E nwere ọtụtụ ihe na-emetụta ndụ nke ọkọlọtọ, gụnyere ihe mpụga na ihe ndị dị n'ime. Ihe mpụga na-ezo aka na gburugburu ebe mpụga n'oge ọrụ ebu, ọnọdụ akụrụngwa, ihe eji arụ ọrụ, na-arụ ọrụ nke ọma, na-arụ ọrụ nke amịrị ga-ekwe nkwa.