... foam glass, glass tiles, all kinds of packaging bottles, glassware, such as: beer bottles, glass, vacuum flask and decorations, can be ... guard Ray special glass. 4. Foundry industry for molding sand. 5. Metallurgical industry can be used for smelting additives, ... materials. 7. Cement industry cement ingredients can be used for sand, aerated concrete, common products. 8. Chemical industry can produce ...