Granite; Gravel; Macadam; Quartz; Sandstone; Slate; Aquarium gravel; Aquarium sand; Artificial stone; Clay sold in powdered form for use in the manufacture of wallboard and plastics; Fireproof cement coatings; Marble; Natural stone quarry blocks; Porphyry; Potters' clay; Refractory construction materials, not of metal; Rock crystal; Sandstone for building; Stones; Water-pipes, not of metal; Building stone; Building materials, namely, plastic pipe supports; Chemically treated wood, namely, wood beams, wood boards, wood joists, wood poles, wood posts, wood rafters, wood siding, wooden beams, wooden poles for electric power lines, and wooden railings, all for aquatic uses; Epoxy resin-based slabs manufactured using crushed recycled rock and glass for building purposes; Non-woven textiles made of synthetic fibres for use in the building industry