Ключевые слова: architect, architecture, bridge, builder, building, business, civil, concept, concrete, construction, design, development, employee, engineer, engineering, environment, equipment, flat, helmet, illustration, industrial, industry, infrastructure, job, machine, machinery, maintenance, management, mechanical, mini, modern, occupation, person, process, professional, project, public, railway, road, safety, supervisor, technology, tiny, train, transport, transportation, vehicle, work, worker,