... , shop centers, restaurants, schools, hospitals, airports, commercials and home lightingNote: 1. Thickness of ceiling material should be ... 5 to 25mm2. No sundries around and cover on downlight due to heat-sinking concernAdvantages: 1 ... parking garage, supermarkets, shopping malls and more Hardware Manufacture Workshop: LED Lighting workshop and Inspection Room: 3W COB LED CEILING LIGHT ...