Lebaka leo ka lona mamati a mollo a lehong a ka thibelang mollo le mosi haholo-holo ka lebaka la karolo ea thepa ea refractory e sebelisoang menyako ea mollo. Monyako oa lepolanka oa mollo o entsoe ka lihlahisoa tsa lehong tse thibelang malakabe joalo ka foreimi ea lemati, foreimi ea makhasi a monyako, letlapa la makhasi a monyako, ‘me lekhasi la lemati le tletse lintho tse se nang chefo, tse se nang kotsi, tse bolokang matla le tse se nang mollo tikolohong le mocheso- thepa e sireletsang mollo, ‘me e entsoe ka lisebelisoa tsa hardware tse thibelang mollo le khalase ea mollo, e ka finyellang litlhoko tse itseng. ho hanyetsa mollo.