1. Illustration:
1st pic sa baba
Type of line:
Centerline - A light line used as axis of symmetry. Used for center of circle and arcs. Sometimes the symbol is shown
2. Illustration:
2nd pic sa baba
Type of line:
Dimension lines are thin and are used to show the actual size of an object. There are arrowheads at both end that terminate at the extension lines.
3. Illustration:
3rd pic
Type of line:
Phantom Lines: Thin lines. Indicate alternate positions of parts of an object. Shows repeated details or location of absent parts.
4. Illusion:
4th pic
Type of line:
Hidden or invisible lines, consist of short evenly spaced dashes, outline hidden or invisible surfaces. Center Line: Centerlines consist of alternating long and short evenly spaced dashes, with a long dash at each end and short dashes at point of intersection.
