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burrito – n. a Mexican food that consists of a flour tortilla that is rolled or folded around a filling
delivery – n. the act of taking something to a person or place
commercial – adj. of or related to the buying and selling of goods and services
drone – n. a small flying machine flown remotely
hover – v. to stay moving in the air without much movement from side to side
efficient – adj. producing desired results without wasting materials, time or energy
frequency – n. how often something happens
