Ключевые слова: architecture, building, business, caucasian, checking, civil, commercial, construction, contractor, crane, development, engineer, engineering, equipment, foreman, greeting, handshake, hardhat, helmet, industrial, industry, infrastructure, inspector, iron, job, male, man, manager, mobile crane, occupation, outdoors, person, professional, project, protective, red, safety, senior, site, steel, storage, structure, tablet, technology, tower crane, transport, work, worker, yellow, young,