Ключевые слова: 1, adult, architect, builder, ceo, computer, construction, control, conversation, development, discussion, display, engineer, engineering, equipment, face, facility, factory, hard, hard hat, hat, head, helmet, industry, job, labor, laptop, man, manager, manufacturing, men at work, occupation, old, people, person, safety, smile, technician, technology, work, working, workshop, yellow,