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[[File:Hwacha.jpg|right|thumb|400px|Model recreation of a ''hwacha'', on display at The Story of [[King Sejong]] exhibition in [[Seoul]]]]
*''Invented: [[1451]]''
*''Invented: [[1451]]''
*''Korean'': 火車 ''(hwacha)''
*''Korean'': 火車 ''(hwacha)''