Lighting installations; lights for vehicles and interior-exterior spaces; Heating installations using solid, liquid, or gas fuels or electricity; central heating boilers, boilers for heating installations; radiators for heating; heat exchangers not being parts of machines; cooking stoves; kitchen stoves; solar thermal air systems for heating purposes; Steam, gas heat, and fog generators; heating steam boilers, other than parts of machines; acetylene generators; oxygen generators based on ther...