unjumble the letters

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Across
  1. 2. 5000g
  2. 4. 4,250g
  3. 5. The Smallest Unit of weight
  4. 6. 2000g
  5. 8. 4kg+5kg
  6. 9. 3143g
Down
  1. 1. 3400g
  2. 2. 7kg
  3. 3. 15kg - 4kg
  4. 7. 9kg 900g
  5. 10. The Standard Unit of weight