Common metals and their alloys; metal building materials, namely, shores, supports, braces, metal bars for construction, beams, joists, building wall framings composed primarily of metal, metal roof trusses, composite panels composed primarily of metal, swage blocks; transportable buildings of metal; prefabricated buildings of metal; structures of metal for mechanically stabilising earth; earth retaining structures of metal; supporting walls of metal; reinforcing materials of metal for the construction of civil engineering works; building panels of metal; panels of metal for use in forming the facing of mechanically stabilised land structures; panels of metal for use in forming the facing of structures for mechanically stabilising earth; materials of metal for railway tracks

Prefabricated buildings, wholly not of metal; building materials, namely, rigid pipes not of metal; asphalt, pitch and bitumen; non-metallic transportable buildings; structures, not of metal, for mechanically stabilising earth; earth retaining structures, not of metal; supporting walls, not of metal; materials, not of metal, used in the construction of civil engineering works, namely, concrete bands, concrete strips, shores, supports, braces, concrete bars for construction, concrete beams, concrete joists, building wall framings composed primarily of concrete, concrete roof trusses, tubes of concrete, bolts of concrete, composite panels composed primarily of concrete; reinforcing materials, not of metal, for the construction of civil engineering works; non-metallic panels for use in forming the facing of mechanically stabilised earth structures; non-metallic panels for use in forming the facing of structures for mechanically stabilising earth; concrete panels; concrete blocks; blocks not of metal used in the construction of civil engineering works, namely, insulated concrete blocks, refractory blocks, swage blocks, non metallic chain blocks used for lifting and rigging; panels not of metal used in the construction of civil engineering works, namely, exterior panels, wall panels, floor panels, ceiling panels; pre-fabricated non metallic enclosures used in the construction of civil engineering works used to protect structures from the environment and provide noise attenuation; tanks not of metal used in the construction of civil engineering works, namely, liquid storage tanks of masonry for industrial purposes; silos not of metal, used in the construction of civil engineering works

Building construction services; repair, maintenance and demolition of buildings and civil engineering works; construction, maintenance and repair of roads, ways, paths, bridges, bridge abutments, stabilised land structures, structures for mechanically stabilising earth, earth stabilising structures, embankments, supporting walls, dams, tunnels, gutters, enclosures, reservoirs, tanks and silos; earthworks construction; construction services, namely, land clearing; excavation; underwater dredging; supervision in the field of construction