exoskeleton – n. a firm outer covering for the body that provides both support and protection.
license – n. an official document that gives you permission to do, use, or have something
battery – n. a device that is placed inside a machine (such as a car) to supply it with electricity
artificial intelligence – n. an area of computer science dealing with the reproduction of intelligent human behavior in computers
zone – n. an area
fatigue – adj. tired
prototype – n. an example