CARBAL

Bricks, namely, refractory bricks, not of metal; refractory blocks, not of metal, for use as linings for furnaces; refractory products in the form of bricks, not of metal; [ refractory cements; ] ceramic bricks for use in refractory furnaces; refractory linings for furnaces, not of metal; [ refractory mortars, not of metal; refractory molds, not of metal; semi-refractory bricks, not of metal; ] fired refractory materials, not of metal; [ refractory construction materials, not of metal; refractory bricks, not of metal; ] refractory concretes [ ; refractory materials for building, not of metal ]