Ключевые слова: angles, blade, construction, earth, engineering, equipment, grader, gravel, ground, guidance, guide, guided, industry, inspection, instrument, land, leaded, level, measure, measurement, measuring, moto grader, motor, mover, navigate, outdoor, position, road, site, survey, surveying, tacheometer, technology, theodolite, tool, topographic, total station, trained, vehicle, wheel, workplace, yellow,