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What is Orthographic Drawing Pre-Test Guide about?

This document discusses the basic elements used in orthographic drawings. It defines visible lines as showing visible edges or contours of an object. Hidden lines are represented by a series of medium weight dashes to show invisible edges. Center lines are used to show the centers of holes or circular shapes. The document also discusses other common drawing elements like dimension lines, extension lines, section lines, leader lines, and break lines. It provides examples of each type of line and their proper

Author

Ma Renally Policarpio

Language

EN