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An Era of Inventions New inventions during the Han Dynasty helped Chinese workers produce more than ever.

Millers used newly invented waterwheels to grind more grain.

Q. (Miners used new iron drill bits to mine more what?) A. Salt

Ironworkers invented steel.

Q. (Paper was used by whom?) A. Goverment Q. (For what?) A. Record information

Doctors discovered that certain foods prevented disease. They used herbs to cure illnesses and eased pain by sticking thin needles into patient's skin. Q. (What is this treatment called?) A. Acupuncture

The Chinese also invented the rudder which was a new way to move the sails of ships. Q. (Why was this important?) A. Merchants could travel to the islands of southeast Asia

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