why companies are using First and third angle projection?
why not second and Fourth?

Answer Posted / naveen

as 1st and 3rd angle projections r clearly viewed by the
person and easy to understand these views wher the front
view and rear view is been clearly viewed so in order to
avoid confussion and make it clear and wher as in 2nd and
4th angle the top view and front view is overlapped so they
r using 1st and 3rd angle projections are been used in
companies

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