Gears for other utilizes are even older than automobiles, and stays of ancient gears have been found relationship back to 4th century China. The whole world’s oldest Performing clock has long been applying gears to inform some time in Salisbury Cathedral because 1386.  Based on the automobile, gearboxes are available https://messiahuefeg.dm-blog.com/34165069/gearbox-auto-can-be-fun-for-anyone