19
Non-metallic building materials; non-metallic building materials, components modules and apparatus for use in the collection, retention or channelling of water; non-metallic building materials having liquid retention properties; non-metallic structural modules for use in building, construction, engineering or landscaping; non-metallic structural modules containing liquid retention material; non-metallic structural modules containing porous foam elements; non-metallic structural modules for use in constructing water retention areas, drainage systems, irrigation systems and water flow control systems; non-metallic structural modules for use in constructing sub-base layers of paved areas, landscaped areas, plant growth areas and of roadways; non-metallic structural modules for use in foundations, walls and roofs of buildings; non-metallic structural modules for use in constructing walls to carry vegetation
37
Building and civil engineering construction services; maintenance, repair and installation of civil engineering structures and buildings; construction, installation, maintenance and repair of systems for use in the collection, retention or channelling of water; construction, installation, maintenance and repair of water retention areas, drainage systems, irrigation systems and of water flow control systems; construction, installation, maintenance and repair of sub-base layers for paved areas, landscaped areas, plant growth areas and for roadways; construction, installation, maintenance and repair of foundations, walls and roofs of buildings; construction, installation, maintenance and repair of walls to carry vegetation; advisory services relating to any of the foregoing services
42
Planning and design of building and civil engineering projects; planning and design of systems for use in the collection, retention or channelling of water; planning and design of water retention areas, drainage systems, irrigation systems, and water flow control systems; planning and design of sub-base layers for paved areas, landscaped areas, plant growth areas and for roadways; planning and design of foundations, walls and roofs of buildings; planning and design of walls to carry vegetation