Swimming pools (structures, not of metal); building materials (not of metal)
Nonmetallic Building MaterialsUnderwater construction; construction of swimming-pool complexes; construction of restaurants, holiday homes and hotels; on-site building project management; supervision of building construction; installation, maintenance, and repair services in connection with properties
Building Construction and RepairDesign and construction planning services; research and development services in relation to construction; architectural consultation; monitoring services in connection with properties; technical expert advice relating to swimming pool technology and monitoring service to manage pool technology and other systems in the event of a failure
Computer and Scientific