Ключевые слова: anticorrosion, appliance, background, basement, biotechnology, blue, boiler, brass, city, copper, energy, environment, environmental damage, gas, heat, heating, house, improvement, industrial, industry, machine, maintenance, metal, panorama, panoramic, pipe, pipeline, plant, plastic, plumber, plumbing, power, pressure, pump, renovation, repair, repairman, safety, service, steel, technical, treatment, tube, utility, valve, water, water treatment, work, workplace, wrench,