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What’s Inside a Manhole?

See-through sewer system... Say that five times fast. 🌌Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/Practical-Engine... 🏙️Watch How the Twin Towers Were Built: https://nebula.tv/videos/neo-how-the-... Doing it this way - by making the plumbing junctions into access points - just provides a lot of flexibility while also standardizing the system so anyone involved - whether it's a contractor building one or a crew doing maintenance - knows what to expect. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-en... Signed copies of my book (plus other cool stuff) are available here: https://store.practical.engineering/ Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME ____________________________________ Website: http://practical.engineering Twitter:   / hillhousegrady   Instagram:   / practicalengineering   Reddit:   / practicalengineering   Facebook:   / practicalengineergrady​   Patreon:   / practicalengineering   SPONSORSHIP INQUIRIES ____________________________________ Please email my agent at [email protected] DISCLAIMER ____________________________________ This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips are used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS ____________________________________ This video is sponsored by Nebula. Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks. Music by Epidemic Sound: http://epidemicsound.com/creator Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source:    • Elexive - Tonic and Energy [Creative ...   Video by Grady Hillhouse Edited by Wesley Crump Produced by Ralph Crewe Graphics by Nebula Studios