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People use boats for all kinds of reasons, and in the same way, there are all kinds, shapes, sizes, and ages of locks used for waterway navigation across the world. Freight is big business. “Shipping” got its name for a reason, and we still use ships to move a lot of our stuff. The video provides a basic summary of how locks work, including an explanation of the water saving basins used on the new locks at the Panama Canal. -Patreon: http://patreon.com/PracticalEngineering -Newsletter: https://practical.engineering/email-list Writing/Editing/Production: Grady Hillhouse Editing and Direction Help: Wesley Crump Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source: https://www.youtube.com/watch?v=U6fBPdu8w9U This video is sponsored by supporters like you on Patreon.