Radar detectors; Downloadable image files containing geographic maps featuring civil engineering information, namely, pavement structures such as roads and runways; Downloadable image files containing geographic maps featuring civil engineering internal structures, namely, road tunnels, water tunnels, and embankments; Downloadable image files containing geographic maps featuring underground civil engineering information, namely, of caverns, underground waterways, buried objects, areas below road surfaces, and backs of tunnel concrete
Electrical and Scientific Apparatus