Ключевые слова: abstract, background canalization, barrel, build, building, cable, color, colorful, construction, crane, duct, ducts, dug, embarrassed plastic pipe, engineering, grey, industrial, industry, material, metalplastic, orange, piled, pipe, pipeline, pipes, pipework, piping, plastic, plastic pipe, plumbing, potable, project, pvc, rigid, round, sanitary, sewage, sewer, sewerage, site, stack, system, technology, texture, tube, tubes, vibrant, vivid, warehouse, water,