Ключевые слова: adult, blue, builder, building, collar, confidence, confident, construction, contractor, development, diverse, employee, employment, engineer, ethnicity, experience, glasses, group, happiness, happy, hard, hat, helmet, human, industrial, industry, job, labour, looking, male, man, men, miner, modern, occupation, person, portrait, profession, professional, project, protection, safety, senior, site, success, uniform, work, worker, working,