Ключевые слова: absence, abstract, accuracy, adult, aluminum, backgrounds, car, circle, closeup, color image, control, copy space, cylinder, engineer, equipment, examining, expertise, factory, high angle view, holding, horizontal, human hand, indoors, industry, material, men, metal, metallic, metalwork, music, no people, occupation, one person, order, organization, people, protection, reflection, repetition, safety, shiny, skill, steel, technology, turning, uk, vertical, working,