Ключевые слова: abstract, background, black, blue, builders, building, bundle, circle, closeup, coil, coiled, commerce, conduit, connection, construction, covering, design, details, equipment, flexibility, flexible, garden, gardening, hose, hosepipe, industrial, industry, irrigate, irrigation, new, object, pipe, plastic, plumbing, pressure, pvc, roll, round, rubber, sky, spiral, store, summer, system, technology, tool, tube, tubing, water, yard,