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Group training
Open manhole of district heating for maintenance work at City of Zürich district Schwamendingen on a rainy spring day. Photo taken May 11th, 2023, Zurich, Switzerland.
Mechanical engineer wearing orange safety suits and safety harnesses work inside the tunnel or huge sewage drain pipe
Gate valve in a sewage shaft
The strip production line is in a public rail company, North China
High voltage transformer
Streetscapes of Manhattan - New-York City
Firefighters looking around
Fast climb
Industry Engineers Walking Inside Circular water Pipe. Engineering or Worker inspection pipe circular. Checking Construction of the water, Oil Natural Gas and fuels Transport Pipeline.
A room for dosing chemicals of chlorine and acid when feeding into the pool. Water circulation system in the pumping room
Construction engineer or technician with reflective coverall suit and safety harness use flashlight to guide for work inside a tunnel.
Axle and Generator in the Housing of a Wind Turbine
Pressure gauges in a medium capacity power station
Control of a sewage shaft with camera and fall protection at the shaft
Firefighter preparing fire hose to put out fire
Temporary simple but whirling oil barrier according to the principle of a separator in a small stream, remediation
Group of miners gathered at the coal mine.
Large pipe of water intake with water regulation system in hydroelectric power plant.
Mechanical engineer wearing orange safety suits and safety harnesses work inside the tunnel or huge sewage drain pipe
A woman working underground in a mine is silhouetted against a well lit tunnel wall. She wears a hard hat helmet with a miners lamp on it. Northwest Territories, Canada.
Gate valves in valve pit of the underground piping networks. Laying water system pipeline at construction site. Water supply pipeline, pipes in trench. Sewage pumping stations, stormwater, utilities
Big dirty old yellow pipe with red pointer.
Power energy motor machinery cabinets in control or server room
Outside and inside of a diesel locomotive of the Deutsche Bundesbahn
Control Room in the old ship
Rope access technician working in communication tower
The fluorescent bulb is hanging on the green cavas of the temporary footpath for caution to the pedestrian near the site, front view with the copy space.
Mature woman under ground miner. She is in safety gear with a head lamp and good copy space right side.
turbine a rotary mechanical device for the generation of energy and power
Free Images: "bestof:Pumperloch (A 17) 04.jpg de Blick in den 10 Meter tiefen Schacht auf den Hallenboden der Höhle 2016-01-02 15 12 51 own Sven-121 other versions 49 54005 11"
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