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Does this work interest you? If so, you should prepare for it by taking plenty of math and science courses in high school. Take algebra, geometry, and trigonometry to become comfortable making different calculations. Earth science, chemistry, and physics classes should also be helpful. Geography will help you learn about different locations, their characteristics, and cartography. Benefits from taking mechanical drawing and other drafting classes include an increased ability to visualize abstractions, exposure to detailed work, and an understanding of perspectives. Taking computer science classes will prepare you for working with technical surveying equipment.