Inventions

123456789
Across
  1. 4. On a horse; held riders foot
  2. 6. Writing material
  3. 8. Foot powered; used to make silk thread
  4. 9. Adjustable; used for measuring
Down
  1. 1. Heated iron ore to produce cast iron
  2. 2. Carrying things; cart
  3. 3. Used for irrigation
  4. 5. Iron; used to till farm fields
  5. 7. Iron tipped; used to mine salt