Ключевые слова: assembly, automatic, belt, business, color, construction, conveyor, doors, engineer, equipment, factory, frame, glass, indoors, industrial, industry, jobs, line, machine, machinery, manual, manufacture, manufacturing, material, mechanical, metal, modern, occupation, pane, plant, plastic, process, processing, produce, production, profile, protective, pvc, row, sheet, skill, steel, technicians, technology, tools, toughness, transparent, window, work, worker,