19 Gutter pipes, not of metal; branching pipes, not of metal; reinforcing materials, not of metal, for building; building materials, not of metal, namely, composite panels composed primarily of nonmetal materials, non-metal floors comprised primarily of fiber-glass or plastics of commercial buildings and residential use, fascia, soffits; construction materials and pipes, not of metal, namely, blocks of concrete or wood, letter boxes of masonry, trenching in the nature of concrete drainage structures, namely, trench drains, storage tanks of masonry, shafts in the nature of non-metal ducts, drainpipes, not of metal; components for water pipes, not of metal, namely, non-metal water pipes and water pipes valves not of metal or plastic; containers, not of metal, for storing water, namely, non-metal storm water dry wells, storm water management devices in the nature of non-metal catchment basins and non-metal detention basins in the nature of cisterns; non-metal water pipes, namely, penstock pipes, not of metal; rigid pipes, not of metal for building; geotextiles for use in connection with road construction, railroad construction, tunnel construction, waterway construction and public works construction, geotextiles for underground storage; geotextiles for use in connection with road construction, railroad construction, tunnel construction, water-way construction and public works construction, namely, geotextiles for underground storage, purification and infiltration of water; ducts, not of metal, for ventilating and air-conditioning installations; pipes and pipework of plastic, namely, branching pipes not of metal, drain pipes, not of metal for gas, air, steam, liquid and water, heat exchange; architectural moldings, not of metal, for building; pipes no of metal, in particular for the transport of liquid and gaseous media, namely, drain pipes, gutter pipes, sewer pipes and water pipes; pipes, not of metal, in particular for use as ground source heat pipes, earth probes, ground source heat collectors or flat-plate heat collectors, namely, polyethylene pipe used in geothermal heating and cooling systems; pipes, not of metal, for storing and recovering heat deep underground, namely, polyethylene pipe used in geothermal heating and cooling systems; pipes, not of metal, for exploiting geothermal energy using ground source heat collectors or plat-plate heat collectors, for the operation of heat pumps, for use in cooling buildings, including for temperature equalisation of concrete cores, namely, polyethylene pipe used in geothermal heating and cooling systems; pipes and pipework for heat transport and heat recovery, including heating pipes, heat conducting pipes, heat transfer pipes, pipes and ducts of plastic for coolant, namely, polyethylene pipe used in geothermal heating and cooling systems; pipes and pipework of plastic for thermal, refrigeration, ventilating and heating technology, namely, polyethylene pipe used in geothermal heating and cooling systems; pipes in the nature of branching pipes, and rigid pipes not of metal, all for household and sanitary technology, for process engineering, for the chemical and petrochemical industry, for the steel, metallurgical and glass industry, for mining, for the power station industry, for conventional power stations and for nuclear power stations, for the food industry, for prime movers and work machines, for land vehicles and for ships; rigid pipes, not of metal for building; ducts and pipes, namely, non-metal ducts, branching pipes not of metal, non-metal water pipes, and rigid pipes not of metal, and accessories therefor, namely, waterpipe valves not of metal or plastic; water-pipes, not of metal