Elements Of Workshop Technology By Hajra - Choudhary Vol 1

The final section covers development of surfaces. Students learn to draw the layout for a cylinder, a cone, or a pyramid (parallel line and radial line development). This is critical for HVAC and duct design.

: Proper usage of Personal Protective Equipment (PPE) and emergency shut-off procedures. Elements Of Workshop Technology By Hajra Choudhary Vol 1