Floating docks, not of metal, for mooring boats; Non-metallic floating breakwaters for the use in boat marinas; Mooring bollards, not of metal; Non-metallic aquaculture rafts; Prefabricated or portable bridges not of metal; Caissons for construction work under water; Pilings, not of metal; Non-metallic barge boards; Decorative uncoiled plywood for marine purposes; Non-metallic swimming pool structures; Plastic screen wall components; Liners for building ponds; Floating fish farm cages, not of metal; Shaped non-metallic elements for building ponds; Pontoon supports of non-metallic materials; Non-metallic transportable buildings; Diving boards, not of metal; Non-metallic buildings; Platforms, prefabricated, not of metal; Non-metallic moveable walls; Platforms of non-metallic materials; Platforms for use as working areas (not of metal); Non-metallic structural platforms (structures); Non-metallic sea carpets; Non-metallic impact absorbing surfaces for recreational areas; Non-metallic building materials for flood protection