unit 4

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Across
  1. 2. Boomers People burned after WW2
  2. 3. person who is trained to know about the characteristics and types of concrete that are right for a job and to pour, level, smooth, and shape concrete surfaces.
  3. 8. Works to promote a business or a service
  4. 10. business side of farming
  5. 11. Unmanned aircraft or Ships guided by remote control
  6. 12. 3 Dimensional Image or place that people can engage using special equipment
  7. 13. Natural Fuel Formed in the Earth
Down
  1. 1. business fields that are about to become important or prominent
  2. 2. uses biological processes, organisms, or systems to create products with the goal of improving the quality of human life.
  3. 4. types of material
  4. 5. program that requires trainees to work for an experienced mason in order to learn the trade.
  5. 6. person who starts and organizes a business, often at some personal risk
  6. 7. specific part of the population
  7. 9. person who designs, develops, tests, and produces aircraft, aircraft systems, spacecraft, missiles, and rockets