Mfundo zazikuluzikulu zomwe zimakhudza khalidwe la chitoliro chosasunthika chachitsulo chodula mbali zonse za zida zamakina, zida, mipangidwe, workpiece yopanda kanthu, njira zopangira ndondomeko ndi chilengedwe. Kuwongolera mtundu wa kudula chitoliro chosasunthika, izi ziyenera kuchitidwa pamiyeso yoyenera, monga zofiira ...
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