
Today we traveled to the water treatment plant. I found it really interesting that the gates there used the same type of mechanism as the locks on the Delaware canal (as shown above). I guess if it works well there’s no reason to use any different system.
https://www.google.com/amp/s/www.abc27.com/news/local/harrisburg/plane-remains-stuck-in-susquehanna-river-days-after-crash-landing/amp/