... , traffic lights, etc;2) For industry: solar power generation, wind ... For household: vacuum sweeper, electric fans, lighting, electric cutting knife, sewing machine etc.;5)For kitchen appliances: refrigerators, electric cooker, microwave ovens etc.6) For power tools ... : saws, drilling machines, lapping machine, sand blasting machine, punching machine, weeder,air compressors, etc.;7) For ...