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A male engineer, in special clothing, sits against the background of monitors depicting process monitoring. Technological works for the production of cement. Working atmosphere with copy space.
Male worker inspection visual pipeline oil and gas
Oil refinery plant and industrial factory building construction from engineering technology and steel material such as steel structure, metal, valve control, pipe, pipeline for transport oil and gas.
American Oil Refinery with US Flags Aerial Photo
oil engineer, workers in front of large pipeline and fuel construction inside refinery

Free stock photosoil refinery (21)