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* Ice-fix devices for cooling vaccines without electricity
* Dynamo power unit which uses a pedal to generate electricity. It can be used to charge phones, batteries, laptops, lights, when there is no electricity.
==References and External Links==
* [http://www.camcatbam.com/ Website CAT Cameroon]
* [http://www.pciaonline.org/node/103 Partnership for Clean Indoor Air]