Ключевые слова: african, black, blue, building, buildings, collar, concept, confident, construction, contractor, copy, development, employee, empower, engineer, engineering, female, general, happiness, happy, hard, hat, housing, industrial, industry, job, labour, leader, looking, modern, natural, outdoor, person, portrait, professional, project, property, safety, site, smile, smiling, space, trade, woman, women, work, worker, working, workplace, young,