Isanti yequartz yimathiriyeli ekrwada yemizi-mveliso ebalulekileyo enoluhlu olubanzi lokusetyenziswa, kubandakanywa iglasi, ukuphosa, iiseramics kunye nemathiriyeli ye-refractory, i-metallurgy, ukwakhiwa, iikhemikhali, iplastiki, irabha, i-abrasive kunye namanye amashishini. Ngaphezu koko, isanti ephezulu ye-quartz nayo idlala indima ebalulekileyo ...
Funda ngokugqithisileyo