Ключевые слова: building, checking, construction, dampness, dehydration, device, ditch, drain, drainage, drainpipe, foundation, foundations, geodesy, ground, groundwater, hole, home, house, humidity, instrument, insulation, irrigation, level, levelling, measurement, measuring, moisture, optical, outdoors, perimeter, pipe, pipeline, protect, survey, surveying, surveyor, system, tool, trench, tube, water, waterway, wet, wetness, work, workplace,