ڳولا نتيجا

...ydras in the tradition of Zhang Heng. In 610 the [[Sui dynasty]] (581–618) engineers Geng Xun and Yuwen Kai crafted an unequal-armed [[steelyard balance]] able Zhang Heng is the first person known to have applied hydraulic [[Power (physics)|motive power]] (i.e. by employing a [[waterwheel]] and [[ ...