science

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Across
  1. 5. joints that are mobile
  2. 7. glue
  3. 8. brazing
  4. 9. weight object must carry
  5. 10. object with defined size or purpose
  6. 11. concrete with iron bars
  7. 12. a structure that is made
  8. 17. good looks of an object
  9. 18. object porpose
Down
  1. 1. heat and fire is used
  2. 2. push or pull
  3. 3. defines materials
  4. 4. an egg
  5. 5. safty margin
  6. 6. pressed or glue material
  7. 12. object with defined mass
  8. 13. structures from nature
  9. 14. object with defined frame
  10. 15. joints that are rigid
  11. 16. blueprints