Igwe ihe igwe diamond dabara adaba maka ala niile nwere ngwaahịa ciment, dị ka ala ciment, Silicon carbide, terrazzo ground, mana adabaghị maka granite, marble, ịtọrọ nkume wuru ewu nke ụdị ala niile, nhazi nzọụkwụ na ndozigharị.Nke a bụ iwebata usoro ọrụ nke ...
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