ceramic products, namely, floor and roof tiles, bricks and molds for construction purposes, glass particles for road construction and road paving reflective purposes, all manufactured by converting wastes and virgin materials

glass as raw and semi-raw materials, namely, glass frits and particulates (excluding beads), glass powders and glass containing particles for use in the manufacture of the following--conductive glass-ceramic powders, paints, wallpaper, plastic fillers, storage containers for radioactive wastes, and decorative coatings, and said frits, particulates, powders, and particles being manufactured by converting inorganic wastes and virgin materials