Vocabulary Words

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Across
  1. 5. move slowly and noisily
  2. 7. worked in a rough, uneven way
  3. 8. legal documents that make it so no one else can sell your invention
  4. 9. machine that plays recorded sound
Down
  1. 1. engines that make a train go forward
  2. 2. having circular ends and straight sides
  3. 3. something that gives off light
  4. 4. complete failure
  5. 6. specialized machines or electronic devices