Pali zida zambiri zamiyala yamtengo wapatali, osati ya amuna kapena akazi, monga s925 siliva, golide weniweni, ceramic, matabwa, chitsulo chosapanga dzimbiri, titaniyamu, ndi tungsten carbide. Ndikuganiza kuti anthu ambiri adzakhala odabwitsa kuti chosiyana ndi chitsulo cha tungsten, chitsulo chosapanga dzimbiri ndi titaniyamu? Apa tiyeni tisiyanitse t ...
Werengani zambiri