Ключевые слова: adult, adults only, agreement, architect, blueprint, building contractor, building exterior, concepts, construction industry, construction site, construction worker, cooperation, corporate business, engineer, greeting, hand, headwear, horizontal, human body part, human hand, industry, looking, manager, mansion, meeting, men, occupation, office, outdoors, people, safety, salesman, shaking, smiling, success, teamwork, technology, thailand, two people, work helmet, young adult,