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jetpack – n. device worn on a person’s back that uses fuel or water to push them into the air
backpack – n. a bag worn on the back and used to carry things
crowdfunding – n. getting a large number of people to give small amounts of money to finance a business project or cause
sensor – n. device that detects or senses heat, light, sound, etc.
turbine – n. large machine that produces power using gas or steam
enable – v. to make able to do something
stable – adj. in a good, steady state not likely to change
