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The materials on this site are no longer being updated. For Practical Action's main school site go to www.practicalaction.org/schools




1 - ecofashion
2 - yoghurt
3 - plastics
4 - playpumps
5 - organiccotton
6 - windpower
7 - maasai
8 - organicbaby
9 - soap
10 - sheabutter

Glossary

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degrade to change a substance into a more simple chemical structure 
dehydrate to loose water e.g. vegetables which are dried to reduce their water content so they can be stored for a longer period 
detergent a cleansing substance that dissolves dirt and oil 
developing countries countries which are less economically developed compared to countries in the so-called 'developed' world (eg. countries in Europe and North America). 'Developing countries' are also known as countries of the South or Majority World countries because they are home to the majority of the world's population 
development bringing about changes 
digestive system the parts of the body that deal with food (the stomach and bowels) 
disassembly to take a product apart. These parts can then be considered for recycling or reused 
disposable an item that is designed to be thrown away after use for example a plastic cup from a drinks machine 
dykes a wall or embankment built to prevent flooding or a ditch built to transport water 
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Practical Action - Technology challenging povertyEuropean Commission - Department for International Development

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