中国的世界第 Ancient Chinese Inventions Drum Bronze mirror Rice wine Kite Binary bit and decimal arithmetic:the former was invented by Fu Xi(also named Shen Nong),the latter was invented in 14th century BC Bow and arrow Parachute Seismograph Umbrella Agricultural tools:such as ploughs(犁),winnowers(扬谷机),hydraulic bellows(水力风箱),drills(耧),etcInvented by Lu Bans wifeMade of silk,expensiveLater,it was made by paper and became cheap and light in weightIn 1930s,the folding umbrella was invented by Chinese peopleNow,it varies in color and functionAll Kinds of Umbrellas
