Ключевые слова: adult, apprentices, architect, architecture, boss, builder, building, business, businessman, caucasian, city, civil, concept, construction, contract, contractor, control, development, director, engineer, engineering, estate, executive, expert, foreman, hardhat, helmet, industrial, industry, leader, male, management, manager, men, one, outdoors, person, professional, project, residential, safety, senior, site, success, supervise, supervisor, town, white, worker,