1. Kodi kukonza ndi chiyani.Nthawi zambiri, zida makina monga zitsulo kudula lathes, mphero, kubowola, planing, akupera, pobowola ndi zida zina makina kuchita njira zosiyanasiyana kudula pa workpiece, kuti workpiece akwaniritse chofunika dimensional molondola ndi s...
Werengani zambiri