Male worker inspection visual record draft tank oil bottom steel weld with spot lighting internal confined specs
A worker inspects and sorts round parts with holes.
A passenger jet under maintenance at the airport. Checking mechanical systems for flight operations.
Asian expert checking the quality requirements of manufactured industrial steam boilers
the man opened the cover of the sewer manhole to pump out the sewage.
Asian expert checking the quality requirements of manufactured industrial steam boilers
Conscious female being in hangar while preparing vehicle for active work on the territory of airport
Pig reciever at oil and gas wellhead remote platform for internal cleaning and inspection to protec corrode inside sea line pipe.