Engineer checks water tank valves, equipment related to hot water production pipelines.
Welder welding metal flange to connect with steel pipe for using in oil pipeline maintenance work
Red fire protective water pipeline system on concrete ceiling inside of parking garage building
Welder welding metal flange to connect with pipe for using in oil pipeline system improvement work
Worker building pipeline system for low temperature maintenance. Preparing of outdoor skating rink
Oil and gas industrial refinery at night, Oil and gas refinery petrochemical plant pipeline steel
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Oil and gas industrial refinery at night, Oil and gas refinery petrochemical plant pipeline steel
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Welder is welding metal flange to connect with steel pipe for use in improving oil pipeline system
Welder is welding steel pipe for use in oil pipeline system renovate work in tanker ship
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Welder is welding steel pipe for use in oil pipeline system renovate work in tanker ship
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Engineers work inside a large steel pipe, building a tunnel for an oil, gas, and fuel pipeline.
Urban modern powerful pipelines. Industrial pumps in an engine room. Industry interior of water pump
Urban modern powerful pipelines. Industrial pumps in an engine room. Industry interior of water pump
Urban modern powerful pipelines. Industrial pumps in an engine room. Industry interior of water pump
Aerial view oil and gas petrochemical industrial, Refinery factory oil storage tank and pipeline.
Welder is welding metal flange to connect with steel pipe for use improving oil pipeline system work
Excavator dug a trench for replacement old pipes repair of city communications pipeline installation
Welder using electric grinder machine to polishing steel pipe for improving oil pipeline system work
Close up view legs of factory engineer or technician worker climb up on stair of gas pipeline
Welder is welding steel pipe at workshop for use in oil pipeline system renovate work in tanker ship
Welder is welding metal flange to connect with steel pipe for use improving oil pipeline system work
Conduit metal power pipe, Electrical power line system pipeline connector installed at wood ceiling.
