Ключевые слова: building, canalization, cement, concrete, construction, copy space, culvert, cylinder, distribution, drainage, duct, engineering, gray, ground, heap, huge, industrial, industry, infrastructure, isolated, large, logistic, manhole, material, merchandise, new, orifice, orifice hole, pile, piled, pipe tube, round, sanitary, septic, sewage, sewer, sewerage, shape, site, stack, stacked, stockpile, storehouse, supply, tube, tubing, variety, waste, water, white,