Ключевые слова: air, automated, breathing, change, chemistry, clean, control, cylinder, dust, engineer, engineering, environment, equipment, facility, factory, filter, filtration, gas, health, industrial, industry, machine, machinery, maintenance, manufacturing, medicine, motor, particle, pipe, plant, pollution, power, production, purification, purity, recycling, sanitation, service, steel, storage, surgery, system, tank, technical, technology, treatment, tube, wearing,