Siena's crossword puzzle

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Across
  1. 1. is a heat engine that preforms mechanical work
  2. 2. Large groups of workers
  3. 4. it produces all the cotton and woolens
  4. 5. A coal mining worker
  5. 7. Textile mills in the U.S needed cotton
  6. 8. collective refusal by employees
Down
  1. 1. Jenny was a large cotton mill used for wool
  2. 3. the first inexpensive industrial process
  3. 6. is a place where you get things made
  4. 9. is the effectiveness of communication