19 Non-metallic building materials and components for building and drainage installations, namely, drainage gullies, roof outlets and floor outlets; Non-metallic building materials, namely, drainage gullies, roof outlets; non-metallic building materials, namely, inspection chambers made of non-metallic materials, namely, floor drains, area drains and roof drains; non-metallic building materials, namely, gully bodies; Non-metallic water pipes and non-metallic drainage pipes; Non-metal manhole covers; non-metal drain pipes and couplings; non-metallic stillages; nonmetallic drainage channels and courses; non-metal junctions for drain pipes; non-metal drain pipes and tubes; non-metallic underdrainage pipes; non-metal water-pipes; non-metal fittings, valves and connectors for drain pipes; non-metal pipes for building installations; non-metal containers, crates, soakaways and tanks for drainage systems and water storage; plastic drain pipes, concrete pipes, vents and ducts; plastic tubes and gullies for drainage; non-metallic drainage installations, namely, drains, surface drains, French drains, drain tiles, trench drains, filter drains, blind drains, rubble drains, rock drains, perimeter drains, land drains, sub-surface drain, sub-soil drains, agricultural drains; drainage channels and pits made of non-metallic materials; non-metal drain covers; geosynthetics; geotextiles; geogrids; geonets; geomembranes; geosynthethic clay liners; geofoam; geocells; geocomposites; ground stabilisation membranes; Plastic drain traps; Non-metal water soakaways for drainage systems; Nonmetal underground drainage installations, namely, surface water drainage installations consisting of drainage gullies, roof outlets, floor outlets, drain pipes and channels, grates and covers; Parts and fittings for all of the aforesaid goods