Acetylene burners; acetylene flares; acetylene generators; air conditioners for vehicles; air-conditioning apparatus; air-conditioning installations; air cooling apparatus; air deodorizing apparatus; air dryers; air filtering installations; air fryers; air purifying apparatus and machines; air reheaters; air sterilizers; air valves for steam heating installations; alcohol burners; anti-glare devices for vehicles; anti-splash tap nozzles; aquarium filtration apparatus; aquarium heaters; aquari...