Ключевые слова: activity, city, communications, crawler, crawler excavator, deep, dewatering, digging, dump truck, earthmoving, earthworks, engineering, equipment, excavator, heating, hydraulic, industry, infrastructure, machinery, pipe, pipe replacement, pipeline, piping, plastic, plastic wells, reconstruction, red and white, repair, replacement, sewerage, signs, site, street, street reconstruction, street repair, striped, system, trench, underground, urban, utilities, warning, water, wells,