1. Course GDP23: Manufacturing and Technology I GP111 Hot-dip Galvanizing GP112 Producing Carpentry Tools GP113 Metal Casting GP114 Basic Blacksmithing GP115 Small Scale Milling 2. Course GDP24: Manufacturing and Technology II GP116 Small-scale Paper Making GP117 Traditional Candle-making GP118 Small-scale Soap-making GP119 Dying and Printing GP120 Medical and Hygiene Textile Production 3. Course GDP25: Manufacturing and Technology III GP121 How to Make a Folding Machine for Sheet Metal Work GP122 How to Make a Foot-operated Workshop Drill GP123 How to Make a Rolling Machine for Sheet Metal Work GP124 How to Make Cutting Shears for Sheet Metal GP125 How to Make a Pipe-bending Machine GP126 How to Make a Treadle-operated Wood-turning Lathe GP127 How to Make a Hand-operated Hole-punch GP128 How to Make a Metal-bending Machine