Ключевые слова: accuracy, alignment, angle, azimuth, cartographer, cartography, deformation, design, digital, distance, engineer, equipment, exact, finder, geodesy, geodetic, grad, infrared, instrument, land, lens, level, manual, map, measure, measurement, positioning, precise, prism, reflector, sight, signal, station, surveying, surveyor, system, target, technology, topography, vertical, work,