Worker Polishing the car with power buffer machine .

Worker Polishing the car with power buffer machine .

Worker Polishing the car with power buffer machine .

Worker Polishing the car with power buffer machine .

Worker Polishing the car with power buffer machine .

Electric worker unties power cables

The polished wood power

Worker polishes car with wax spray

Worker polishes the window car to shine

Worker at electric power plant uses smartphone. Power engineering specialist with cell phone in hand on electric power station

Worker at electric power plant uses smartphone. Power engineering specialist with cell phone in hand on electric power station

Worker on electric power plant speaks on smartphone. Power engineering specialist with cell phone on electric power station

Worker in red hard hat at atomic power plant looking at the camera. Power engineering specialist at nuclear power plant