Ключевые слова: assembly, concentration, construction, craftsmanship, darkness, fabrication, factory workers, flame, gloves, goggles, heat, heavy industry, helmets, industrial, industrial equipment, ironwork, laborers, light, machinery, manual labor, manufacturing, metal beams, metalworking, molten metal, night, night shift, precision, production, protective clothing, safety gear, skilled labor, sparks, steel, structural work, teamwork, visors, welders, welding, workmanship, workshop,