Wire ropes; wire nets and gauzes

Electric wires and cables

Electrical insulating materials

Plastic building materials, namely, plastic pipe supports; synthetic building materials, namely, plastic pipe supports; asphalt, and asphalt building or construction materials, namely, asphalt roof coatings and asphalt paving compositions; rubber building or construction materials, namely, rubber stairway warning tiles and rubber cove bases; plaster for building purposes; lime building or construction materials; building or construction materials of plaster, namely, plaster for building purposes; cement and its products, namely, silica cement and Portland cement

General building construction works, namely, building construction services; construction and maintenance services relating to civil engineering structures and buildings; road paving; steel structure construction works; building reinforcing; scaffolding erection and repair, construction services in the nature of earthworks services being excavating for building construction and building construction services using concrete; machinery installation; electrical installation services in the nature of installation of electrical and generating machinery; repair or maintenance of automobiles; repair or maintenance of elevators; repair or maintenance of computers; repair or maintenance of construction machines and apparatus; rental of construction machines and apparatus