Non-metal building materials, namely, modular injection-molded plastic decking panels, walkway panels, platform panels, stair treads and steps; non-metal flooring and decking for industrial walkways, catwalks, mezzanines, rooftops and scaffolding.; Non-metal building materials, namely, non-metallic scaffolding decking and platform components; prefabricated non-metal platforms and walkways; non-metal building panels for safety access and working platforms; all of the foregoing for use in indus...