1. d. a type of air vehicle that provides transportation by both ground and air
2. e. a device that is used to move somebody immediately from one place to a distance away
3. f. a device that somebody wears on their shoulders like a backpack that enable them to fly
4. b. a board that travels above the surface of the ground, that you ride on in a standing position
5. a. a single-wheel vehicle similar to a unicycle, its rider sitting inside or next to the wheel
6. c. a two-wheeled self-balancing electric vehicle, ridden while standing up
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