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Are the four major inventions the most important?
Compass
Gunpowder
Paper
Printing
Iron and steel smelting
Copper smelting and bronze ware
Extraction and application of petroleum
Discovery and mining of coal
Pottery and porcelain
Wine and liquor
Sericulture
Tea and tea culture
Star catalogue and star atlas
Observation of solar and lunar eclipses
Surveying of the meridian
Zhang Heng and his seismograph
Guo Shoujing and his shoushi calendar
The decimal and binary systems
Zu Chongzhi and pi
Equal temperament
Traditional Chinese medicine
Acupuncture
Anesthetic
Variolation
The Great Wall
China's Grand Canal;
Dujiangyan irrigation system
Kite
Abacus
Weiqi (Go)
Hot-air balloon
Parachute
Archery
Match
Chinese kung fu
Football
Golf
Classical works of science.

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