Ключевые слова: adjust, apparatus, big, bolt, chemical, circle, collector, complex, components, compressor, connection, connector, equipment, factory, fuel, gas, handhold, handle, heavy, hydrant, indoors, industrial, industry, interior, line, paslek, pipe, pipeline, pipes, piping, plumb, plumber, plumbing, poland, polish, production, red, rotation, round, safety, safety valve, shut, structure, switch, system, technology, tube, tubing, valve, valves, wheel,