Ключевые слова: building infrastructure, colorful, colorful cable, communication, connect, construction, danger, data wire, dirt, dry clay, dusty, earth, electric, electricity, energy, equipment, network, optical, orange, pipe, pipeline, plastic, plumbing, power, protective cover, pvc, repair, residential area, root, round, safety, secure, sewage, sewer, sewerage, site, soil, system, technology, telecom, telecommunication, town, trench, tube, tubing, underground, water, wire, work, you,