corroded resistance bars in reinforced concrete wall
Oil and gas processing plant with pipe line valves.Steel pipelines and valves.Oil pipeline valves in the oil and gas industry.
close up of block of apartments under construction
close up of block of apartments under construction
home heating control room with wtihe boilers
Selective focus tube sheet or boiler or plate of heat exchanger closeup texture macro diagonal background full of hard insoluble mineral deposits, salts scale and corrosion. Trypophobia concept.
Worker Painting Metal Coat Protect from Rust on the Metal Structure.