drone – n. an unmanned aircraft or ship guided by remote control

typhoon – n. an extremely large, powerful and destructive storm

archipelago – n. a group of islands

survey – v. to look carefully and completely at something

sensor – n. a device that detects or senses heat, light, motion, etc.

efficient – adj. producing desired results without wasting materials, time or energy

prototype – n. a first test model of something that is then developed and copied

cloud seeding – n. when various substances are put into clouds in an attempt to cause rain

concentrate – v. to focus one’s attention or mental effort on a particular object or activity

counterpart – n. Something having the same function or characteristics as another

analyze – v. to study something closely or carefully

assessment – n. the act of making a judgment about something​