explain angle of projection in engineering drawing.?
You are talking about First Angle and Third Angle projection? Well it's difficult to explain in words. Check out the link below: the 'cone' shaped symbols are the most basic examples of both projection, and they are usually part of the drawing to let the reader know.
Third Angle: more common in the US and many countries. Basically the "left" view is drawn on the left side of the front view.
First angle: the "left" view (if you're more used to 3rd angle) is projected to the right side instead. Used in some other countries.
Third angle Orthographic projection By MOHD RIDHUWAN BIN AZIZ
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