inventions from china

123456789
Across
  1. 5. something that's like gold
  2. 6. a material
  3. 7. something you watch
  4. 8. making something
Down
  1. 1. some kind of printing
  2. 2. something you measure with
  3. 3. points north
  4. 4. used in guns
  5. 9. a early computer