Building and construction materials and elements made of wood and artificial wood, namely, decking boards; Building and construction materials and elements made of sand, stone, rock, clay, non-metallic minerals and concrete, all being veneer for use on interior and exterior surfaces; Building and construction materials and elements in the nature of patching compounds made of pitch, tar, bitumen or asphalt; Railway materials, non-metallic, namely, non-metal railroad ties; non-metallic rigid pi...