Gilashin ruwa na lu'u-lu'u ya dace da duk ƙasa mai ɗauke da samfuran siminti, kamar ƙasan siminti, Silicon carbide, ƙasa terrazzo, amma bai dace da granite ba, marmara, shimfidar dutsen wucin gadi na kowane nau'in ƙasa, sarrafa matakin da sabuntawa.Anan shine don gabatar da hanyar aiki na ...
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