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electrician builder engineer inspector checking data of equipment in fuse box
Side view of a Black female airport firefighter sitting in a fire truck driving towards an emergency location at the airport runway.
Technician checking the operation of the air conditioner
Firefighter cheering up his colleague
Ground wiring connector on the machine or electrical system for protect short circuit and human protection, the safety equipment of electrical system with safety standard, Earth fault equipment.
Firefighter with work helmet looking at camera
Nobody in empty aviation plane with dashboard control panel to start power engine and fly airplane. Navigation command with windscreen and radar compass, speed handle. Close up.
High power biofuel boiler house
Firefighters using Twirl water fog type fire extinguisher to fighting with the fire flame from oil to control fire not to spreading out. Firefighter and industrial safety concept.
Red tanker ship docked in industrial zone, early morning.
A large Russian ship of the Black Sea Fleet in the port of Sevastopol against the background of the gray sky. Russian ships on peaceful combat duty. Republic of Crimea, October 4, 2010
One man, electrician in overalls is working with energy panel and machinery equipment.
Anti-armor or anti-tank guided missile
Young male engineer using digital tablet for airplane mechanics
The man is installing the heater system in the house
The usual maintenance of the private airplane in the hangar before the flight.
evocative image of the chimneys of a ferry during navigation
A construction worker works on a building remodel.
Air conditioning, HVAC service technician using gauges to check refrigerant and add refrigerant.
An older worker checks the heating pipes in the heating plant.
Outside near truck and with fire hose in hands. Woman in uniform is at work in department.
Firefighter looking at camera
Firefighters fight the fire flame to control fire not to spreading out. Firefighter industrial and public safety concept. Traffic or car accident rescue and help action
Maintenance engineer is inspecting system in boiler room
Asian engineer with safety helmet at the construction site typing on a digital tablet
Woman working in the boiler room
Man, an electrical technician working in a switchboard with fuses. Installation and connection of electrical equipment. Professional uses a tablet.
Ventilation Cleaner - Air on System
View from the Kaiser-Wilhelm-Bridge to the harbor with ships, Wilhelmshaven, Germany
Photography,Horizontal, Caucasian ethnicity, modern,motor oil,Occupational Safety And Health
Free Images: "bestof:Navy 090505-N-3215T-029 Gas Turbine Systems Technician (Mechanical) Fireman Lee Wynne, right, from Dallas, combats a simulated class alpha fire as team leader"
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