Workshop Technology By Hajra Choudhary Vol 1.pdf Patched Jun 2026

This topic covers the fabrication of thin metal sheets. It explains the tools, shearing machines, bending machines, and the development of surfaces (pattern development) for creating ducts, funnels, and boxes.

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Before we discuss the PDF, it is crucial to understand the mind behind the book. S. K. Hajra Choudhary was not just an author; he was an eminent educator and a pioneer in technical education in India. Co-authored with A. K. Hajra Choudhary and Nirjhar Roy, the book series was designed as a complete syllabus for the Board of Technical Education (West Bengal) and follows the standards of the Directorate General of Employment and Training (DGET). This topic covers the fabrication of thin metal sheets