rusty, old cover for heat exchanger, chemical equipment with tracers for connection of counter flanges at oil refinery, petrochemi

abandoned abstract background bar blue boat brown business chemical circles connection construction counter cover energy engineering environment equipment exchanger factory flanges for fuel gas heat heavy industrial industry iron machinery manufacturing metal oil old orange petrochemi petrochemical petrol pipe pipeline pipes piping plant pollution power production red refinery round rust rusty sky stack steel technology texture tower tracers tube valves yellow