Ключевые слова: adult, architect, blueprint, building contractor, business, business person, chonburi province, communication, concepts, construction industry, construction site, contract, corporate business, design, desk, engineer, engineering, hand, headwear, horizontal, house, human body part, human hand, investment, laptop, modern, office, paper, paperwork, part of, pencil, people, place of work, planning, safety, table, technology, thailand, women, work helmet, working,