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A two meter long technology timeline which would make a great starting point for a display. One of the free resources to accompany Practical Action's Small Is Challenge
www.practicalaction.org/education/smallischallenge
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A two meter long technology timeline which would make a great starting point for a display. One of the free resources to accompany Practical Action's Small Is Challenge
www.practicalaction.org/education/smallischallenge
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