Comments by "" (@TheDavidlloydjones) on "Engineering Giants: The Top 10 Most Powerful Construction Vehicles In Action | The Greatest Ever" video.

Why are they digging up coal and sending it all over the place to power stations? Why don't they just put the generators on top of the coal and ship the power out by wire? There ought to be an answer in two lines of arithmetic. We'll wait: Puh-leeze.
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