Ключевые слова: aged metal, aqua background, background, close up, corroded metal, cross shape, cross valve, detailed view, engineering, faded blue, fittings, hardware, industrial, industrial design, industrial equipment, industrial piping, industrial structure, infrastructure, intersection, intricate design, mechanical components, mechanical engineering, metal, metal joints, metalwork, old pipes, old valve, pipe intersection, pipe network, pipeline, piping, plumbing, plumbing fixture, plumbing system, rust, rusted piping, rusty valve, valve detail, valve handle, valve installation, water flow, water supply, water valve,