CRAYSTAL

Alabaster glass; building glass; glass granules for road marking; insulating glass for buildings; window glasses, except glasses for vehicle windows; window glasses, for buildings; safety glass for building purposes; coatings being building materials, namely, asphalt roof coatings, bituminous coatings for roofing; silica stone being quartz; cement in the nature of cement mixes, Portland cement; bricks; refractory construction materials, not of metal