Irons and steels; non-ferrous metals and their alloys; alloys of iron, silicon, and carbon used in the steel manufacturing process and casting process, namely, ferro-silicon; alloys of iron and manganese used in the steel manufacturing process and casting process, namely, ferro-manganese; alloys of silicon and manganese used in the steel manufacturing process and casting process, namely, silico-manganese; metal reinforcement materials for building or construction; metal materials for building or construction, namely, metal handrail decorations for building in the nature of grab rails and metal pillar decoration for building in the nature of stanchion posts; prefabricated metal building assembly kits; metal moulds for forming cement products in the nature of cement posts for building, road construction, bridge construction, park construction; metal hardware, namely, nuts, pulleys, springs, washers, expansion joints for floors, walls, piping and ducting, pipe joints, structural joint connectors and bolts; wire nets and gauzes; joinery fittings of metal; safe deposit boxes

Non-metallic minerals for building; non-metallic minerals for construction; ceramic building materials, namely, ceramic floor tiles and ceramic drain pipes; building materials made of linoleum in the nature of veneer for use on existing walls or floors; plastic building materials, namely, soffits and fascia; synthetic building materials, namely, soffits and fascia; asphalt; asphalt building materials, namely, asphalt roofing paper and asphalt roofing felt; asphalt construction materials, namely, asphalt roofing paper and asphalt roofing felt; rubber building materials, namely, rubber floor tiles and rubber seismic control damper for building in the nature of rubber bearings that minimize forces and displacements experienced by buildings during an earthquake; rubber construction materials, namely, rubber floor tiles and rubber seismic control damper for construction in the nature of rubber bearings that minimize forces and displacements experienced by buildings during an earthquake; plaster for building purposes; lime building materials; lime construction materials, namely, hydrated lime for building purposes; building materials of plaster, namely, plaster boards; construction materials of plaster, namely, plaster boards; construction materials in the nature of rockslide retention nets of textiles; prefabricated non-metal buildings, sold in kit form; resin concrete products, namely, pipes and floors; cement and its products, namely, cement slabs and cement pipes; building timber; building stone

Construction of buildings and other structures, namely, harbor structures in the nature of docks, piers and wharfs, public work structures in the nature of toll collection structures and steel-reinforced bridges, namely, truss bridge, cable stayed bridge, suspension bridge, arch bridge, rigid frame bridge and girder bridge, and structures at airports in the nature of hangers, terminal building for passengers and control towers; provision of construction advice; rental of construction machines and apparatus