Introduction and its importance of Engineering Drawing? 

The economical success of any country is mainly depended on its industrial development. Due to the globalization any industry of our country expected to be of global market standard. Due to the above said reason our Indian product required to be of very high quality with respect to size of dimension, fit, tolerance and finish etc. To produce a best standard product all the technical personnel (Engineers to Craftsman) in an industry must have a sound knowledge in engineering drawing because engineering drawing is the language of engineers. Engineering drawing is a universal language. Different types of lines are its alphabets. Technical personnel in any industry including craftsmen are expected to communicate anything concerning a part or a component by drawings involving lines, symbols, convention and abbreviations etc. With our spoken languages it is impossible to express the details of a job or a product. Engineering drawing knowledge and practice are must for designing or producing a component or part. Even a small mistake in the drawing may reflect very badly in the product. Therefore reading and doing engineering drawing are very much essential for craftsmen and engineers