![meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange](https://i.stack.imgur.com/kamJD.png)
meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange
![meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange](https://i.stack.imgur.com/1C4gh.png)
meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange
![Hydrodynamics of a culvert barrel with recessed invert - Barrel invert... | Download Scientific Diagram Hydrodynamics of a culvert barrel with recessed invert - Barrel invert... | Download Scientific Diagram](https://www.researchgate.net/publication/332810918/figure/fig5/AS:941426972037123@1601465089353/Hydrodynamics-of-a-culvert-barrel-with-recessed-invert-Barrel-invert-elevation-03m.png)
Hydrodynamics of a culvert barrel with recessed invert - Barrel invert... | Download Scientific Diagram
![meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange meaning - Pipe invert and obvert: Why is it called invert? - English Language & Usage Stack Exchange](https://i.stack.imgur.com/J0REX.png)