Worker records videos on smartphone. Powerman in yellow hard hat with smartphone at electric power plant
Electrician records videos on smartphone. Powerman in yellow hard hat with smartphone at electric power plant
Worker records videos on smartphone. Powerman in yellow hard hat with smartphone at electric power plant
Worker records videos on smartphone. Powerman in yellow hard hat with smartphone at electric power plant
Workman records videos on smartphone. Worker in yellow hard hat with smartphone at electric power plant
Workman in yellow hard hat at power plant records videos on his smartphone. Supervisory personnel in yellow hard hat with red smartphone near heating main pipeline at heat electric power station
Electrician records videos on smartphone. Worker in yellow hard hat with smartphone at electric power plant
Workman on electric power station. Power engineering specialist in goggles and hard hat at heat power plant looks ahead
Power engineering specialist in respirator and yellow hard hat with personal computer in hands at heat power plant. Powerman in gas mask with tablet computer on electric power station
Powerman in gas mask with tablet computer on electric power station. Power engineering specialist in respirator and yellow hard hat with personal computer in hands at heat power plant
Powerman in gas mask with tablet computer on electric power station. Power engineering specialist in respirator and yellow hard hat with personal computer in hands at heat power plant
Powerman in gas mask with tablet computer on electric power station. Power engineering specialist in respirator and yellow hard hat with personal computer in hands at heat power plant