Air purifying apparatus and machines; Aquarium filtration apparatus; Barbecues; Decorative water fountains; Electric light bulbs; Electric patio heaters; Fairy lights for festive decoration; Filters for air conditioning; Fog generators; Friction lighters for igniting Bunsen burners; Friction lighters for igniting gas; Heaters for warming up portable toilets in cold weather; Smoke generating machines for creating special theatrical effects; Solar furnaces; Electric blankets for household purpo...