1 ， The bricklaying ntawm lub qhov cub lub cev yuav tsum tau nqa tawm los ntawm pab pawg ua cua sov pab pawg. Tsis tsim nyog thiab tsis tsim nyog lub tsev rauv taws ua kom tsev pob zeb qhwv khoom.
2 Kev tsim kho yuav tsum ua kom nruj raws li cov qauv tsim, thiab siv phom thiab cib hom yuav tsum siv cov qauv loj.
3 ， Cov khoom siv thiab cov cuab yeej siv rau kev tuav thiab ua tshuab ntawm refractory cib yuav tsum npaj rau ntawm qhov chaw tsim kho.
