Ключевые слова: activity, clouds, coal, construction, design, development, dirt, driver, dump, duty, earthmoving, economic, efficiency, engine, environment, equipment, excavation, ground, heavy, industrial, industry, landscape, large, load, machinery, maintenance, management, metal, minerals, mining, mountains, performance, power, project, rocky, rugged, safety, site, steel, technology, terrain, tire, transport, transportation, truck, vehicle, wheels, work, worksite,