Kwezinye iindawo apho uthuli oluvuthayo lwenziwa kwi-metallurgy, amalahle, ishishini lemichiza, i-electroplating, ipolishi, ukutya kunye namanye amashishini, iindawo ezizaliswe luthuli zihlala zisenzeka.Ke ngoko, ukukhetha izixhobo ezingcono zokungenisa umoya kuya kuphucula imeko-bume...
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