Makabati a mchenga wa sandblast amaphatikizapo makina kapena makina ndi zida zowonetsera zowulutsira zowulutsa pamwamba pa gawo kuti zipse, kuyeretsa, kapena kusintha pamwamba. Mchenga, abrasive, kuwombera zitsulo, ndi zowulutsira zina zimayendetsedwa kapena kuyendetsedwa pogwiritsa ntchito madzi opanikizika, mpweya woponderezedwa, ...
Werengani zambiri