Indlela yokuhlanza i-corundum crucible yengilazi encibilikisiwe?

Indlela engcono kakhulu ukufudumala kancane. Ngokuvamile, ukhuphula izinga lokushisa libe cishe ku-200 bese uligcina isigamu sehora bese ushisa kancane kancane. Uma izinga lokushisa lakho lokusebenza liku-1200, ungakwazi ukuphakamisa ngokuqondile izinga lokushisa libe ngu-1300 futhi ulinde ukuthi libuyele ku-1200 ngokwemvelo. Ukubeka ingilazi akulula ukuphuka!