dahaarka nitrile xumbo-yar, iska caabbinta sibidhka iyo xidhashada adkaysta
raaxaysi iyo dabacsanaan, dhibco ku yaal calaacasha waxay bixiyaan xajin xooggan
Tiknoolajiyada tolida ee B.comb, xajin wanaagsan iyo iska caabin sare oo xidhidh
Saliid-celin wanaagsan, ka-hortagga simbiriirixidda iyo iska caabbinta abrasion aad u fiican