Non-metallic minerals for building or construction; ceramic building materials, bricks and refractory products; linoleum building materials; synthetic building materials; asphalt, and asphalt building or construction materials; rubber building or construction materials; plastic for building purposes; lime building or construction materials; building or construction materials of plaster; prefabricated building kits not of metal; plastic security windows allowing communication; cement and its products; building timber; building stone; building glass; hen-houses not of metal; paint spraying boots not of metal; moulds for forming cement products not of metal; road signs not of metal, non-luminous, and not mechanical; beacons not of metal, non-luminous; storage tanks not of metal or plastics; mooring bitts and bollards not of metal; letter boxes of masonry; stone lanterns; transportable greenhouses not of metal for household use; gravestones and tomb plaques not of metal; diving platforms not of metal, stone sculptures; concrete sculptures; marble sculptures; non-metallic mineral materials (unworked or partly worked); boards of inorganic fiber not of asbestos; plaster boards; slag; tar and pitch

Construction; general building construction works; dredging; general civil engineering works; road paving; masonry; steel structure construction works; plastering; carpentry; tile laying, bricklaying or block laying; joinery; building reinforcing; painting; scaffolding, earthworks or concrete construction; upholstering; building damp-proofing; roofing services; plumbing; machinery installation; drilling of wells; electrical works; telecommunication wiring; thermal insulating for buildings