Ключевые слова: build, business, cable, communication, connection, construction, distant, dragon, electric, electricity, energy, engineering, environment, environmental, equipment, facility, factory, fiber, ground, high, industrial, industry, infrastructure, land, line, lines, long, maintenance, network, new, optic, optical, pipe, pipeline, power, process, repair, road, site, supply, system, technology, telecommunication, transmission, transportation, trench, tube, underground, wire, work,