Ключевые слова: blueprint, checking, checklist, city, civil, development, electric, engineer, engineering, engineering icon, equipment, evolution, facility, garage, hardhat, helmet, industrial, industry, inspector, iron, job, latin america, machine, machinery, maintenance, mass, people, process, professional, public, railway, repair, safety, shop, site, sky, skytrain, station, system, technician, technology, traffic, train, transit, transport, transportation, urban, wheel, work, young,