Njira zowongolera za granite zakuda, zida zapamwamba kwambiri zomwe zimagwiritsidwa ntchito pomanga ndi kukonza zida zopangira ndi zoyezera, zili ndi malo ogwiritsira ntchito mosiyanasiyana.Choyamba, mayendedwe a granite wakuda amagwiritsidwa ntchito pamakina monga makina oyezera (CMMs), insp...
Werengani zambiri