RIFLD

Burners, boilers and heaters; heating installations; heating units; installations for the collection of heat; storage apparatus for thermal energy; thermal energy transfer apparatus and installations; energy collectors; apparatus and installations for accumulating, storing and transferring of energy; ground, lake and geothermal energy collectors; heat collectors; heat pumps; heat pumps for energy processing; heat generators; pipes and tubes for heating installations; pipes and tubes for heating units, thermal energy storage apparatus and transfer apparatus and installations

Flexible pipes, tubes, hoses and fittings therefor and fittings for rigid pipes, all non-metallic

Building materials, namely, rigid pipes and tubes, not of metal