Ключевые слова: alloy, assemble, assembly, background, blade, brown, building, clean, closeup, construction, cut, engineering, equipment, erection, factory, fire, frame, heap, industrial, industry, iron, job, labor, laborer, light, manufacture, manufacturing, mass, mechanical, metal, metalwork, object, overall, packed, piece, production, seam, stack, steel, strong, structure, surface, technical, texture, unfinished, weave, weld, welder, welding, work,