Clay graphite crucibles, inozivikanwawo semagraphite piles kana yakanyungudutswa yemhangura ladles, zvishandiso zvakakosha mumunda wekunyungudutsa simbi.Aya macrucibles anonyanya kushandiswa kunyungudutsa simbi dzisina-ferrous semhangura, ndarira, goridhe, sirivheri, zingi, uye lea ...
Verenga zvimwe