... traffic lights, etc.•Industrial Equipments Series: Solar energy, Wind power system, Metal Halogen lights, High-pressure ... , etc.•Household Equipments Series: Dust collector, Electric fan, Light, Electric cutter, Sewing machine, etc.•Kitchen Utensils: Microwave ... oven, Electromagnetic oven, Refrigerator, etc.•Electric Tools Series: Electric saw, drill, grinder, presser, weeder, air ...