Chinese inventions

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Across
  1. 3. This Chinese invention made long sea voyages possible.
  2. 4. This Chinese invention was known only to the Chinese for over 500 years. Few inventions are more important than this one, because it is so important for the transmission and recording of information.
  3. 5. This Chinese invention is a staple in the Chinese trade industry. This invention was created first as medicine but is now used globally for health and enjoyment.
Down
  1. 1. This Chinese invention changed warfare forever, making swords and crossbows irrelevant.
  2. 2. This Chinese invention led directly to our current economic currency.