316 bakin karfe bututu ne m tsiri na madauwari karfe, yafi yadu amfani da man fetur, sinadaran, likita, abinci, haske masana'antu, inji kayan aiki da sauran masana'antu bututu da inji tsarin sassa.Bugu da ƙari, a cikin lanƙwasa guda ɗaya, ƙarfin torsional, nauyi mai sauƙi, don haka ana amfani da shi sosai a cikin m

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