Soldering: Kuteteza zida zamakina a carbide yokhala ndi simenti ndikusunga kugawa kwa cobalt yoyambirira.
Imelo yanu sisindikizidwa. Magawo ofunikira amalembedwa ndi *
Timayamikira zachinsinsi chanu
Timagwiritsa ntchito makeke kupititsa patsogolo kusakatula kwanu, kutumiza zotsatsa kapena zomwe zili makonda, ndikuwunika kuchuluka kwa anthu. Podina "Landirani Zonse", mukuvomera kugwiritsa ntchito makeke.
Mfundo zachinsinsi