Ключевые слова: city maintenance, city repair, city road repair, city roadwork, cityscape development, civil engineering, civil engineering work, civil work, construction, construction site, construction site activity, construction workers, digging, engineering project, equipment maintenance, excavation, excavation equipment, excavator task, heavy equipment, heavy equipment operation, heavy machinery, heavy machinery operation, heavy machinery work, industrial site activity, infrastructure, infrastructure development, infrastructure maintenance, infrastructure repair, machinery operation, municipal construction, roadside repair, roadwork, street excavation, street maintenance, trench excavation, urban construction, urban development, urban infrastructure, urban renewal, urban street, urban utilities, utility trenching,