This episode was a little bit of Emma's laughs and Robert's five-year-old self coming out. It includes the brief histories of the excavator, bulldozer, and dump truck. Your older self is telling you this is educational, but the little kid in you can't help it. We know why you're listening.

If you have any questions or comments about the information provided in this episode, please contact us at [email protected].

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Sources:

https://www.newworldencyclopedia.org/entry/Bulldozer

https://www.thebalancesmb.com/must-have-earth-moving-construction-heavy-equipment-844586

https://www.livescience.com/45285-how-egyptians-moved-pyramid-stones.html

https://books.google.com/books?hl=en&lr=&id=oyX4X1B_hLsC&oi=fnd&pg=PA6&dq=HISTORY+of+the+HAND+SHOVEL&ots=
_Q4GHxTopw&sig=SCMzK8_QpIx6P1C6k83BFzq3W90#v=onepage&q&f=false

https://www.history.com/topics/inventions/transcontinental-railroad

https://biblehub.com/deuteronomy/23-13.htm

https://www.mobilehydraulictips.com/weve-come-a-long-way-baby-the-evolution-of-construction-equipment-hydraulics/

https://www.depaulachevrolet.com/the-dump-trucks-history/