Parts for Unmanned Aerial Vehicles (UAVs), namely, computer hardware and recorded software for navigation, anti-collision, autopilot and autonomous operation of UAVs; repair tools for Unmanned Aerial Vehicles, namely, digital multimeters, Multi-outlet socket blocks; Equipment for establishing a mobile and fixed landing and takeoff zone for Unmanned Aerial Vehicles, namely, an electronic ground marker visible and readable by an Unmanned Aerial Vehicle for locating landing and takeoff zones; co...