Juyawa, azaman tsarin yankan ƙarfe na yau da kullun, ana amfani dashi sosai a fagen masana'anta. Ana amfani dashi galibi don sarrafa sassa na ƙarfe na simmetrical, kamar shafts, gears, zaren, da dai sauransu. Tsarin juyawa yana da rikitarwa, amma ta hanyar madaidaicin desi ...
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