Ключевые слова: architect, building, canadian, caucasian, checking, chief, collar, concept, concerned, construction, contractor, controller, defect, engineer, estate, facility, failure, formalwear, group, helmet, inspecting, male, man, mature, meeting, mixed raced, north american, owner, person, pipe, pointing, portrait, protection, puzzled, real, reviewing, safety, serious, site, strict, suit, supervisor, three, tie, white, work, young,