Ключевые слова: bumpy, challenging terrain, construction materials, construction project, construction site, construction vehicle, construction work, construction zone, dangerous, debris, descending, dirt road, dump truck, dust, dust clouds, earthmoving, engineering, excavation, gravel, hauling, heavy duty vehicle, heavy load, industrial, infrastructure, load capacity, machinery, maneuvering, mountain road, moving downhill, off road, road maintenance, rocky, rugged, rugged landscape, safety precautions, steep slope, transportation, transportation industry,