Mesopotamia Crossword Puzzle

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Across
  1. 1. a ancient Mesopotamian what
  2. 4. sorry can't think of clue
  3. 6. A (blank) way to supply water
  4. 7. Composed of what type of writing
Down
  1. 2. a skilled worker that uses mainly which body parts
  2. 3. the shape of when the moon it is slightly covered
  3. 5. Someone who does (blank) for another person