DUOMAP DIGITAL UNDER & OVERGROUND MAP

Radar detectors

Surveying; geological surveys and research; testing and research on civil engineering; survey and investigation of civil engineering, namely, of roads and runway pavement structures; survey and investigation of civil engineering internal structures, namely, of road tunnels, water tunnels and embankments, and analysis of survey results and investigation results; survey and investigation of civil engineering, namely, of caverns, underground waterways, buried objects and other underground civil engineering information regarding below road surfaces and the back of tunnel concrete, and analysis of these survey results and investigation results; providing online non-downloadable geographic maps featuring civil engineering information; providing online non-downloadable geographic maps featuring civil engineering information, namely, pavement structures related to civil engineering, such as, roads and runways; providing online non-downloadable geographic maps featuring underground civil engineering information, namely, cavities, underground waterways, buried objects, below road surfaces and the back of tunnel concrete