Which innovation do you think was more significant - the flying buttress, or the treadwheel crane? Why do you think this? Please explain with a detailed response

tread wheel crane is better because

Explanation:

treadwheel crane (Latin: magna rota) is a wooden, human powered, hoisting and lowering device. It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals. The often heavy charge is lifted as the individual inside the treadwheel crane walks. The rope attached to a pulley is turned onto a spindle by the rotation of the wheel thus allowing the device to hoist or lower the affixed pallet.