11 containers, not of metal, for storing heat, namely, solar collectors, for the operation of heat pumps, including for the use of latent heat; apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, namely, heat pumps, fabric steamers, electric cooktops, refrigerators, clothes dryers, ventilation hoods, pipes as parts of sanitary facilities; pipes and pipelines of metal and plastic, namely, radiator tubes, ribbed pipes and filter pipes for cooling installations and machines, for cooling apparatus and installations, for refrigerating containers and refrigerating chambers, namely, as parts of refrigerators and air conditioners; pipes, pipelines, mainly of plastic, including in combination with metal, for the transport of oil, water and/or high-temperature oil, and for the transport of abrasive substances, namely, pipes for heating boilers; pipes for the transport of heat and/or for the recovery of heat, including heating pipes, heat conducting pipes, heat transfer pipes for boilers, heating elements, heating apparatus and heating installations, namely, pipes for heating boilers; pipes and pipelines of metal and/or plastic for heating, refrigerating, ventilating and sanitary technology, namely, pipes as parts of heating boilers, ventilation hoods and sanitation fixtures; pipes and pipelines for the transport of heat and/or for the recovery of heat, including heating pipes, heat conducting pipes, heat transfer pipes, pipes and ducts for coolant, of plastic, namely, pipes as parts of water heaters; pipes, not of metal, in particular for use as ground source heat pipes, ground source heat collectors or flat-plate heat collectors, namely, pipes as parts of solar thermal heating installations; pipes, not of metal, for storing and recovering heat deep underground, namely, pipes as parts of heat pumps and HVAC units; 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 equalization of concrete cores, namely, pipes as parts of heat pumps and HVAC units; heat exchanger pipes of metal and plastic, namely, pipes as parts of heat exchangers that are not parts of machines; water conduit installations, namely, plumbing valves; water purification installations; water purifying apparatus and machines; water supply installations, namely, water fountains, flexible pipes as parts of shower plumbing installations; water distribution installations, namely, irrigation sprinklers