2.1 For reference clarity, numerical designations (1), (2), etc. have been assigned to each drawingspecification which will be discussed in the guidelines. The numerical designations have been indicatednext to the specification on the engineering drawing and on the chart.2.2 Two sample worm charts and their respective drawings (333405 - one thread worm & 333423 - twothread worm) are attached for reference. Run-Out, Profile, Lead inspection zone length, Lead VariationTolerance, & Lead Form Tolerance measurement construction lines have been drawn on the charts.Each specifications' measured / actual number with their corresponding terminology is also listed onthe charts.