Question on: JSS1 Basic technology - Introduction to Engineering Drawing

In engineering drawing, different types of lines convey specific information about the object being represented. Solid lines indicate visible edges and outlines, while dashed lines represent hidden edges that are not directly visible. Centre lines are used to show symmetry and centre points of circles and arcs. Varying the thickness of lines can also differentiate between main outlines, auxiliary details, and cutting planes. This use of distinct line types ensures that drawings are clear and that each element is accurately communicated to those interpreting the drawing.

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