First Angle Projection & Third Angle Projection

First Angle Projection is commonly used in all countries other than United States. The Indian Standard Institution (ISI) recommend the use of First Angle Projection method now in all the institutions.
Third Angle Projection is commonly used in United States of America.

Following table describes what is the difference between or comparison between First Angle Projection and Third Angle projection.

Also Read Mechanical Engineering Basics

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