Ключевые слова: adult, american, architect, architecture, blueprint, building, business, businessman, caucasian, confident, construction, contractor, control, design professional, development, discussion, document, employee, engineering, entrepreneur, foreman, gesture, hand, happy, hard hat, hardhat, hat, helmet, industrial, job, male, man, manager, manual, men at work, occupation, person, pointing, portrait, professional, progress, project, safety, showing, site, smile, standing, success, technology, working,