Ключевые слова: accuracy, america, build, builder, check, civil, connected, construction, contractor, controller, engineer, enter, equipment, finger, hi viz, highway, input, keyboard, keypad, land surveyor, machinery, measure, measuring, men, operator, orange, person, precision, reflective, remote, road, roadworker, safety, screen, site, survey, surveying, surveyor, surveyors, tachymeter, theodolite, tool, topography, total positioning station, touch, tripod, uk, usa, using, vest, wireless, work, worker, working, yellow,