Aerial view of oil and gas refining petrochemical factory with high refinery plant
Cheerful child tightening lug nuts with industrial wrench in oil field.
Engineer take water from wastewater treatment pond to check the quality of the water. After going th
Oil refineries
Aerial top view Oil and Gas refinery petrochemical plant industrial with oil and gas storage tank.
Team Petroleum chemical engineer discussion about blueprint drawings inside
Electrical engineer inspection control panel and commissioning during pressure steam drum shutdown
Engineers wear uniform and helmet stayed in car hand holding paper blueprint show plan , survey insp
Professional Technician Ensuring Pollution Control in Wastewater Treatment Plant.
Industrial engineer work on site.
Aerial view of oil and gas refining petrochemical factory with high refinery plant manufacture
Concrete septic tank with a capacity of 10 cubic meters placed in the garden by the house.
Close-up view of an old rusty valve
Professional engineer working in a petroleum refinery, Oil refinery and gas processing plant.
Engineer checks valves, water tanks, pumps and equipment related to hot water production pipe
Trench behind iron fence outdoors
Engineer working and holding tablet to checking construction project.
Engineers is checking the air conditioning cooling system of a major building.
Engineer under industrial inspection Large water heaters are used in high-rise condominiums.
Mechanical engineer inspection pipe tube connection commissioning ready for plant startup machine
Caucasian woman with sunglasses lying and posing on reinforced concrete pipes in the industrial area
Team Petroleum chemical engineer discussion about blueprint drawings inside Oil Refinery
Two new industrial pipes lying on ground on summer sunny day. City plumbing repair outdoors concept
Paper tube cores, tissues, in industry plant factory. Paper rolls. Cardboard cylinder cargo
Industrial engineer work on site.
Three factory engineer or technician workers raise hands up to express happiness and stand in front
Engineering and metalworking technologies. New brass cylinders.
Abandoned gas well outside plumbing installation
Side view group of engineer or technician workers stand on the road near petrochemical factory
Red Fire Tube in city site, walk way
