Babban gudun karfe saw ruwa, wanda kuma aka sani da iska karfe saw ruwa, farin karfe saw ruwa, wani gami dauke da babban adadin carbon (C), tungsten (W), molybdenum (Mo), chromium (Cr), vanadium ( V) da sauran abubuwan Hacksaw ruwa. High-gudun karfe albarkatun kasa da high zafi taurin bayan yanke ...
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