Ключевые слова: 30s, aluminium, caucasian, central, department, effective, enginery, european, factory, frame, indoor, industry, machine, men, metal, metallurgy, model, operating, people, person, polymer, positive, producing, production, professional, profile, protection, pvc, rolled, russian, security, smiling, stepladder, storage, storehouse, system, thermoplastic, tooling, two, uniform, windows, work, workers, workshop,