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The materials on this site are no longer being updated.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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rayon a textile made from cellulose (a carbohydrate from plants) 
reclaimed land drained land that was once under water 
reclaimed material a material that can be reused 
reconstitute (food) to change food that has been dried back to its original form by adding water 
recycle to collect and process waste material so that it can be used again 
resonator part of a musical instrument that makes the notes last longer 
resources useful or valuable assets available to a community 
RH Relative Humidity (RH) is a measure of the relationship between the water content of the air at a certain temperature and the water content of saturated air at the same temperature 
rickshaw a light two-wheeled vehicle pulled either by a bicycle or by hand 
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Practical Action - Technology challenging povertyEuropean Commission - Department for International Development

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