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

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ventilation a system which allows air to circulate 
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Practical Action - Technology challenging povertyEuropean Commission - Department for International Development

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