Kodi phala la diamondi ndi chiyani?
Phala la phulusa la diamondi ndi mtundu wa phala lofewa lopera lopangidwa ndi ma abrasives apamwamba a diamondi osankhidwa bwino kwambiri ndi zomangira phala, zopaka utoto, zosungira, zokometsera, ndi zina zambiri. Ndizoyenera ...
Onani zambiri