Ключевые слова: apparatus, concrete, connection, construction, constructor, contaminated, contrast, district, enterprise, estate, fitting, flow, heavy, home, industrial, industry, ladder, lines, manufacturing, materials, matrix, measure, mechanic, mechanical, meter, nuclear, nut, pipe, pipeline, piping, plant, plastic, plumber, plumbing, poison, pollution, power, radiation, reflection, robots, sink, splash, stock, technical, trap, tube, valve, waste, water, water meter,