Topic Content:
Types and Uses of Lines
In this topic, you will learn about the types of lines used in engineering drawing.
| Type of Line | Uses | ||
|---|---|---|---|
| 1. | Thick continuous line | - Used for visible outlines and edges |  |
| 2. | Thin continuous line | - Used for dimension lines - Used for construction lines - Used for hatching lines - Used for projection and outlines - Intersections |  |
| 3. | Thin short dashes | - For showing hidden outlines and edges |  |
| 4. | Thin chain line | - For center lines and extreme positions of moveable points |  |
| 5. | Thick chain line | - For indicating surfaces which must be of special requirement |  |
| 6. | Thin ruled line with short zigzags | - For long break lines |  |
| 7. | Thin continuous irregular/wavy line | - For limits of partial views |  |
| 7. | Thick continuous irregular/wavy line | - For irregular boundaries or short break lines. |  |
| 8. | Thick line with Arrow heads | - Used for dimension lines |  |
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