Engineering Towers

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Across
  1. 2. used to hold something up
  2. 3. rhymes with ran
  3. 5. flattening
  4. 6. supports
  5. 7. _______ headache
  6. 8. something built on top of something
  7. 9. the stone is the key
Down
  1. 1. vicli geneiren
  2. 2. 8 letter word starting with A and ends with T
  3. 3. suspending something
  4. 4. underlying framework