Mudubin ruwa, zamanin da: tsohon madubi na nufin babban kwano, kuma sunansa Jian."Shuowen" ya ce: "Jian ya dauki ruwa daga wata mai haske ya ga cewa zai iya haskaka hanya, yana amfani da shi a matsayin madubi." Dutsin dutse, 8000 BC: A cikin 8000 BC, mutanen Anatolian (yanzu suna cikin ...
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