FLATNESS VS PARALLELISM PART 1

This video will demonstrate clearly the difference between fltness and parallelism. In my training experience 90% people are confused while checking the flatness and parallelism. Specially when it is measured with first principle method. Please see the video until last slide to 100% understand ; What is Flatness What is Parallelism What are the Tolerance zones What about the Datum Requirement How to Inspect Flatness and Parallelism The measurement setup arrangement for Flatness and Parallelism.