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autonomous – adj. independent and having the power to operate automatically without human involvement
canal – n. an artificial river built for boats to travel along or to take water where it is needed
efficient – adj. working well and not wasting time or energy
range – n. a group of different things of the same general kind
platform – n. a vehicle used for a particular purpose or to carry a specified kind of equipment
propeller – n. piece of equipment made of two or more flat metal pieces that turn around and cause a ship or aircraft to move
navigate – v. to determine the correct sea or land route
captain – n. the person in control of a ship or aircraft
error – n. a mistake
