How efficient is this egg incubator built by Malawian teens?

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Producer/Coordinator: Jane Nyingi
Author: Mirriam Kaliza/Alerdha Banda
Video Editor: Magdalena Kieserg

This browser does not support the video element.
Producer/Coordinator: Jane Nyingi
Author: Mirriam Kaliza/Alerdha Banda
Video Editor: Magdalena Kieserg