Why is it important to review your plan when you write an algorithm? to extend the problem
to help make the plan
to understand the problem
because it might have errors

help soon, I think its either B, C, or D

A12 mm diameter shaft runs in a plain cylindrical bush 30 mm long that is located in an 18 mm diameter hole in a housing. the shaft-inner bush fit is h8 f and the outer bush-housing fit is h7-p6. make a fully cimensioned sketch of the bush with tolerances. find the maximum and minimum clearance or interference for both fits on the inner and outer diameters of the bush