Instrument technician on the job calibrate or function check pneumatic control valve in process oil and gas platform offshore.
Mechanical carefully welding the tube by electric arc.
HVAC technician working on a capacitor part for condensing unit.
Two linesmen use insulated equipment to repair and maintain high-voltage distribution systems. The operation is done without power outage. Is a risky job, the operator must be trained.
An employee maintains a switchboard at the factory. Indoor.
Electrical engineer using laptop computer for maintenance air conditioning system on rooftop of factory