Exploring Hydrocarbon Depletion
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Towards the end of the nineteenth century, however, just before steam power took over, human powered lifting devices became so elaborate that one man could lift a 15 tonne truck in no time, using only one hand.
We could lift anything without fossil fuels. Nevertheless, apart from their use by some hardcore ecological architects, human powered cranes have completely disappeared, even for the lightest of loads. We prefer lifting things with power machinery and we run (not walk) on a treadmill in the gym to keep in shape.
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