Ключевые слова: background, brass, brown, dirty, drop, engineering, equipment, fitting, flow, gauge, green, industrial, industry, iron, isolated, machine, measure, measurement, mechanical, metal, meter, object, old, part, pipe, piping, plant, plastic, plumbing, problem, repair, rusty, sanitary, sewer, sewerage, shower, stain, steel, system, tap, technology, texture, tubing, valve, water, wet, white, wrench,