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navigation – n. the act, activity or process of finding the way to get to a place when you are traveling in a ship, airplane or car, or walking or hiking
smartphone – n. a mobile phone that lets users connect to the internet
monitor – v. to watch, observe, listen to or check (something) for a special purpose over a period of time
optical sensor – n. a device that detects or senses heat, light, sound or motion and then reacts to it in a particular way
GPS – n. Global Positioning System; a radio system that uses signals from satellites to tell you where you are and to give you directions to other places
band – n. a strip of something that is different from what is around it
Are drones being used in your country? If so, for what? Are farmers using drones in your country? Do you support the use of drones? Do you have any concerns about their use? We want to hear from you. Write to us in the comments section.
