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Electrician Using Electrical Stripping Pliers In Industrial Applications -
Electrical Engineer Checking High Electricity Plant -
Repairing Electronic Circuit Board -
Repairing Electronic Circuit Board -
Repairing Electronic Circuit Board -
Engineer Checking Voltage -
Repairing electronic board. -
Soldering Iron To Connect Wires -
Soldering Iron To Connect Wires -
Asian workers in uniform working -
Drill holes in concrete walls. -
Change the fluorescent lamp to the LED bulb.