Ключевые слова: blue, chemical, complex, construction, control, coolant, distribution, engineering, equipment, factory, fittings, flanges, flow, heavyduty, hvac, industrial, industry, infrastructure, installation, machinery, maintenance, manufacture, mechanical, metal, network, operation, petrochemical, pipeline, pipeline system, pipes, plumbing, pressure, processing plant, refinery, system, technology, utility, valves, water supply,