Ключевые слова: app, architect, architecture, asian, background, building, business, china, chinese, civil, concrete, construction, contractor, crane, design, development, employee, engineer, engineering, equipment, factory, hardhat, industrial, industry, inspection, japanese, job, male, man, manufacturing, occupation, office, people, person, planning, plant, portrait, production, professional, project, safety, service, site, smile, software, tablet, technology, work, worker, workplace,