Enclosures, tanks, silos, containers, reservoirs, all of metal and all for retaining earth; metallic earth stabilizing members in the nature of beams, walls, struts and panels; sheet metal for exterior use; metal grids for building purposes; metal plates for building purposes; metal panels for building purposes; metal tiles for exterior use; metal blocks, bars, rods, strips for building purposes; linings of metal for building purposes, metal frames for building and frameworks of metal; metallic pipes and tubes; metal welding rods; screws, bolts, nuts, hooks and nails, all made of common metal

Portable, prefabricated and prefabricated temporary buildings, being wholly or principally non-metallic; non-metallic structures in the nature of panels, plates, sheets, grids, shaped sections, tiles, blocks, bars, rods and strips for exterior use, all for use in stabilizing earth; Earth retaining structures in the form of non-metal panels, plates, sheets, grids, shaped sections, tiles, blocks, bars, rods and strips; non-metallic articles for use in civil engineering construction, namely, shores, supports and braces; non-metallic reinforcement for civil engineering construction, namely, fencing, sheeting and facing; non-metallic panels for use in forming the facing of mechanically stabilized earth structures; concrete; concrete panels, concrete blocks; non-metallic earth stabilizing members in the nature of beams, walls, struts and panels; prefabricated non-metallic tunnels and culverts; construction materials, namely, non-metallic panels for exterior use; non-metal storage containers or structures, namely, enclosures, non-metallic reservoirs, tanks and silos for retaining earth

Building construction; building maintenance, demolition and repair services; construction and repair of roads, runways, bridges, bridge abutments, stabilised earth structures, embankments, retaining walls, sea walls, tunnels, culverts, reservoirs, tanks and silos; earth moving; land reclamation; excavating; underwater dredging; supervision of construction; providing advice in the fields of building construction, building maintenance, demolition and repair services, construction and repair of roads, runways, bridges, bridge abutments, stabilised earth structures, embankments, retaining walls, sea walls, tunnels, culverts, reservoirs, tanks and silos; providing advice in the fields of earth moving, land reclamation, excavating, underwater dredging; providing advice relating to the supervision of construction

Engineering consultancy, research and development; civil engineering services; civil and structural engineering consultancy; architectural design services, namely, the preparation of architectural plans, reports and engineering drawings; construction engineering services