Drafting

2. lines used to show alternate positions of a moving part
3. lines the thickest lines
5. it is a quick way to show an idea that would be difficult to describe in words
7. lines placed on the primary view of the round object
8. lines end with arrowheads at the ends
10. lines used when drawing inside feautures
12. centerline made up of alternating long and short dashes
14. lines they are half as thick as border lines
15. method helps you sketch. they also call it grid method

1. of lines contrasts between the various line weights to help make drawing better
4. lines same weight as dimension lines
5. centerline made up of the same dashes as a secondary centerline
6. lines are drawn very lightly. they are more a grey color than black
9. angle 90 degree angle
11. lines used to indicate the centers of round objects
13. plane lines indicates where an object has been cut