Ключевые слова: beer, brewery, chemical, chemical enterprise, chemistry, chrome, clean, closeup, control, engineering, equipment, factory, gauge, indoors, industry, instrument of measurement, laboratory, liquid, machine part, machine valve, machinery, material, metal, metallic, modern, no people, nobody, occupation, oxygen, physical pressure, pipeline, pressure gauge, science, stainless steel, steel, storage tank, surgery, technology, tubing, work,