[ Common metals, unwrought or semi-wrought, and their alloys; anchors, anvils, metal bells, rolled and cast iron construction materials, namely, rail; metallic rails and other metallic materials for railway tracks; metal chains, excluding drive chains for vehicles; non-electric metallic cables and wires; locksmithing; pipes of metal; safety boxes and chests of metal; steel balls; horseshoes; nails and metal screws ]

[ Building material, namely, concrete, plaster, plaster board, gravel, sand, stones, brick, non-metal tiles, wood boards, lumber, slate; isolation material, namely, construction materials, namely, a nonmetal sub-floor membrane for residential and commercial soundproofing use; natural and artificial stones, filling cement, non-agricultural lime for use in construction; mortar, plaster and gravel; sandstone and cement tubes; products for road building, namely, asphalt mix; asphalt, pitch and bitumen; manufactured housing, namely, mobile homes; stone monuments; non-metal chimneys ]

Construction of buildings; installation of kitchen appliances, namely, stoves; painting, plastering, plumbing and roofing services; public works, namely, construction and construction management of tunnels and underground structures, steel structure construction works; rental of building tools and equipment, bulldozers, and tree extractors; building maintenance, cleaning and repair; polishing of floors; building restoration; building disinfecting; pest control and extermination other than for agricultural purposes, namely, rat extermination; laundry services for textiles; alteration of clothing; retreading of tyres; vulcanization of automobile tires; shoe repair; furniture, repair and maintenance of metalworking machines and tools, and musical instruments

Engineering, professional consulting in the field of engineering; drawing up of plans and engineering drawings; engineering services, namely, engineering for the construction industry; materials testing