Class 019
Non-Metallic Building Material Products
Mortar; drywall; wood siding; wallboards of plastic; gypsum wallboards; ceramic tiles for flooring and lining; ceramic tiles for flooring and facing; fiber cement siding; ceramic tiles for tile floors and coverings; floating floor boards, not of metal; cement mortar slates; cement slabs; natural stone slabs; stone slates; bleachers, not of metal; marble; granite; artificial stone; finish plasters made of colored artificial resin; conglomerate marble; conglomerate cement; conglomerate marble and cement; building material of non-metal, namely, blocks of conglomerate marble and resin; building material of non-metal, namely, plates of conglomerate marble and resin; building material of non-metal, namely, tiles of conglomerate marble and resin; building material of non-metal, namely, plates of conglomerate quartz and resin; building material of non-metal, namely, tiles of conglomerate quartz and resin.