0 Question: What is the most Useful Invention Ever? Keywords: invention, useful Asked by Columbus019 to Chris, Paul, Priyanka, Ryan, Sarah on 9 Mar 2016.
Christine Coonick answered on 9 Mar 2016:
gaffer tape – the engineers best friend 🙂
Paul Duff answered on 10 Mar 2016:
The wheel? I am struggling to see the world without it now and I like my bike… a lot!!
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