Ключевые слова: adult, architect, architecture, builder, building, business, caucasian, civil, colleague, conference, construction, danger, diversity, engineer, estate, factory, foreman, group, happy, hardhat, helmet, illustration, industrial, industry, investment, job, male, man, manager, men, occupation, people, person, professional, property, protection, real, safety, site, smiling, team, teamwork, white, woman, work, worker, working, workman, workplace, young,