Oil and gas vocabulary

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Across
  1. 3. past participle of to go
  2. 6. past simple of to wear
  3. 7. past simple of to come
  4. 8. past simple and participle of to have
  5. 9. past simple and participle of to think
  6. 10. past simple and participle of to put
  7. 11. past simple and participle of to say
Down
  1. 1. past simple of to know
  2. 2. past simple and participle of to buy
  3. 4. past simple of to go
  4. 5. past simple and participle of to feel
  5. 7. past simple of can
  6. 11. past simple of to see