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| 1. | These are used with dimension lines sometimes |
| 3. | The hardest alloy known; very brittle |
| 5. | This line slices the part for us so that we can get a section view |
| 6. | These are placed at 45 degree angles and can indicate material type |
| 7. | This is the letter we use for Feed rate |
| 8. | This is the normal tool we use to make holes |
| 11. | One arrowhead; points to something specific |
| 15. | This tool put threads inside a hole |
| 16. | Also known as Visible line |
| 18. | This shows features you cannot see in the current view |
| 20. | How much each tooth removes each time it cuts |
| 22. | When programming a radius, this is the incremental distance from the start to the center in X |
| 23. | Specific information pertaining to shape, form, orientation or location |