a cylinder is a cone with a circle at the bottom and a wrapping
It's a round tube:2 circles on outside, round all around
Usually if it is trans-mounted the one closest to the passenger side If it is conventional the one closest to the front of vehicle
Front to Rear. Looking at the Engine. Left Side 1-2-3 Right Side 4-5-6 Hope This Helps.
Be it is marked of with marks that a graduated so to provide accurate measurements. One source states that the word graduated became a popular name due to the method of making the Cylinder....
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