Banana chips
Drying of apricots (Practical Action Brief)
Ventilated Improved Pit Latrine
Chiuri - the Butter Tree of Nepal (Practical Action Brief)
Packaging Foods in Glass (Practical Action Brief)
Yoghurt Production (Practical Action Brief)
Processing of Nutmeg and Mace (Practical Action Brief)
Run-off rainwater harvesting
LED traffic light FAQ
Efficient Cooking Stove fueled by Cow Dung