Upbeat african american technician commissioned for outside HVAC system annual maintenance, looking for broken internal parts. Skilled
Efficient technicians commissioned for annual HVAC system checkup, using dusting brush to clean dirty, clogged air filters restricting
Expert repairman in professional uniform with technical equipment climbing folding ladder to do maintenance on rooftop air conditioner
Worker on electric power plant speaks on smartphone. Power engineering specialist with cell phone on electric power station
Licensed serviceman filling out revision of insurance contract for client to sign after finishing repairments on air conditioner. Proficient
Cheerful electrician doing inspection of freon levels and necessary fixes to prevent major breakdowns. Knowledgeable professional
Electrician in respirator with portable radio transmitter on electric power station. Power engineering specialist in gas mask, goggles and hard hat on heat power plant communicates via radio station
Worker in respirator and with portable radio transmitter on electric power station. Power engineering specialist in gas mask, goggles and hard hat on heat power plant communicates via radio station
Worker with scheme of works on power station. Power man with construction documentation at power plant. Master builder in hard hat with design drawings
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
Working people, electrician with wireline spooler
Maintenance engineer with project drawings at heat electric power station. Worker in yellow hard hat with engineering drawings near heating main pipeline
