Ключевые слова: abstract, blue, business, chemical, closeup, concrete, craft, craftsmanship, creativity, decoration, energy, equipment, factory, fuel, gas, glowing, heat, holding, hot, industrial, industry, insulation, job, line, manufacture, manufacturing, material, metal, pipe, pipeline, piping, plant, power, process, profession, professional, shape, shine, skill, stainless, steel, technique, technology, temperature, tool, transparent, tube, valve, work, workshop,