This section is a metallurgist's dream. Hajra Choudhary breaks down the composition of Pig Iron, Wrought Iron, and Cast Iron. It provides detailed tables on standard IS codes (Indian Standards) for steel, as well as the industrial applications of copper, aluminum, and zinc. For students of workshop technology, knowing what to machine is as important as how to machine it.

: It is specifically designed to meet the syllabi of various Indian Technical Universities (e.g., VTU, NIT, DTU) for first and second-year engineering courses. Amazon.com Areas for Improvement Modern Technology Gap : Some expert reviewers from

is a fundamental textbook for engineering students, focusing on primary manufacturing techniques. Authored by S. K. Hajra Choudhury, A. K. Hajra Choudhury, and Nirjhar Roy, it is widely used in technical curricula across India .

The Elements of Workshop Technology Vol. 1: Manufacturing Processes