CENTER-LINES AND PRECEDENCE OF LINES
CENTER-LINES AND PRECEDENCE OF LINES Center-lines are used to indicate the following: 1. Axes of symmetry for all the symmetrical portions of a view. 2. Axis of a cylinder or a cane. 3. Center of every circular curve must be located by two mutually perpendicular center-lines. Generally these two center-lines are horizontal and vertical but […]
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