[ Building materials, not made of metal or glass, namely, concrete; prefabricated building materials, namely, wall boards, panels composed primarily of nonmetal materials, non-metal cladding and non-metal slabs; concrete patching compound made of concrete and textile reinforcement; prefabricated parts, namely, non-metal railings and slabs for bridges, street slabs and gutters not of metal, and non-metal guard rails and slabs for underground construction; ] reinforcing materials not of metal i...