apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes; smoke machines; roasting apparatus; electric space heating apparatus for household use; electrical appliances for heating; portable electric heaters; heaters, electric; electric heaters; electric heating apparatus; apparatus for heating; electrical apparatus for heating; heating apparatus; heating apparatus, electric; electric heating elements; heating elements; coils for heating; heating rods; fog generators; apparatus and installations for heating, cooling, steam generating, drying and ventilating; drying apparatus and installations