Igice cya diyama kigizwe niki?
Nkigice cyibikorwa byubwoko bwose bwibikoresho bya diyama (usibye ibikoresho bimwe bya diyama byakoreshaga karubide ya tungsten cyangwa PCDs, nk'inyundo zo mu gihuru, ibikoresho byo gukuraho PCD), ibice bya diyama ni ngombwa. Mubisanzwe, hari ubwoko 2 bwibice bya diyama: m ...
reba ibisobanuro birambuye