Geographic Information system Circular curve 1 Construction Surveying 1 Electromagnetic Distance measurement 1 Hydrographic Surveying 1 Mine Surveying 1 Precise Theodolites 1 Remote Sensing, Signals, Signal Interaction in optical region, signal interaction in microwave region, Sensor and Sensor Platforms, Remote sensing Data Acquisition and Dissemination, The sensing, Radar Remote sensing, Global Positioning System, GPS, 1 Remote sensing 1 Route Survey 1 Tacheometry 1 Topographic Surveying 1 Transition curve 1 Triangulation 1 Vertical curves 1 precise Levelling 1