QUIZ H5P - The invention that changed the world; listening for detail 1
Completion requirements
https://www.youtube.com/watch?v=OwS9aTE2Go4&t=83s

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Source: YouTube, Transistors-The invention that changed the world, Real Engineering [12.09.2016], access 16.09.2020
https://www.youtube.com/watch?v=OwS9aTE2Go4&t=83s
Last modified: Tuesday, 23 February 2021, 3:13 PM