Ukoresheje ibyuma bisanzwe bya karubone hamwe nicyuma cya manganese, kugenda kwiziga bine biroroshye, hejuru yumurimo ni mugari, ubushobozi bwo gutwara burakomeye, kandi abantu benshi barashobora gukora icyarimwe, bigatuma umurimo wo murwego rwohejuru ukora neza kandi neza, ubereye ahazubakwa, amahugurwa, ububiko, sitasiyo, dock, sitasiyo ya lisansi, stade nibindi bikoresho byo murwego rwo hejuru gushiraho, kubungabunga, gusukura, nibindi.