Building and construction services; building construction advisory services; building construction consultancy; building construction supervision; building maintenance; building of fair stalls and shops; building project management (building construction supervision); building repair; construction; construction information; damp-proofing (building); factory construction; harbour construction; housing construction; pier breakwater building; pipeline construction and maintenance; providing information, including on-line, about building construction, and repair and installation services; provision of information in relation to building construction; real estate subdivisions and developments (building and construction of -); rental of construction equipment; rental of cranes (construction equipment); underwater construction; warehouse construction and repair; welding (construction, repair and installation services)