Gudumu lamadzi

Kutchulidwa kwakale kwambiri pakuyika kwamadzi pazachuma zinayamba zaka 40 (kumayambiriro kwa zaka za zana la XNUMX BC). Pali ndime yonena za zilango zomwe zimaperekedwa kwa omwe adaba mawilo amadzi, omwe adagwiritsidwa ntchito kuthirira minda. Tikhoza kunena mosapita m'mbali kuti izi zinali zida zakale kwambiri zomwe zimatembenuza mphamvu za chilengedwe chopanda moyo kukhala makina, i.e. injini woyamba. Makina akale kwambiri amadzi (mawilo amadzi) mwina anali matabwa. Masamba, omwe mtsinjewo umayenda mozungulira gudumu, umagwiranso ntchito ngati scoops. Ankakweza madziwo n’kuwathira m’chitsime chamatabwa choyenera kupita ku ngalande zothirira.