How to remember First angle and third angle Symbols | Simple tricks |

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The symbols are very easy to draw but many times we confuse in these symbols. Tricks are help us to remember these symbols easily. video explain.
In same way many person are confused in nut & bolt.
Mechanical engineering.
Engineering drawing.
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In the first angle projection system, the object placed in the first quadrant and in third angle projection system the object placed in the third quadrant.

If one regards the artesian coordinates as being made of quadrants, then 1st angle and 3rd angle are two different quadrants in which an object is places and different planes on to which the drawing is projected.
In 1st angle, the object is between the observer and the plane of projection.
In 3rd angle, the plane is between the observer and the object.

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thnx for this trick, bhut jldi smjh aaya

manvi