me because i was always tought that at the begininning of a ruler there not always accurate which is true
put 2 rulers standing on a flat surface starting at zero and see if the other increment match up I.E. 4 inches to the rulers, 6, 7 and 9, etc…
me because i was always tought that at the begininning of a ruler there not always accurate which is true
put 2 rulers standing on a flat surface starting at zero and see if the other increment match up I.E. 4 inches to the rulers, 6, 7 and 9, etc…