Ключевые слова: abstract, architecture, arranged, background, building, canalization, closeup, coil, conduit, connection, construction, corrugated, detail, flexible, gray, hose, industrial, industry, irrigate, irrigation, isolated, lines, macro, manufacturing, outside, pattern, pipe, pipeline, pipework, plastic, plumbing, pvc, ring, roll, round, rows, rubber, scroll, sewage, sewer, space, supply, texture, tube, tubing, tubular, white,