I'm sorry. I've got a presentation, but it's unilingual, so I can't show it. So that's my fault.
But it looks like a beer keg with an axle running through it, and it's got the mooring system that allows it to go up and down and rotate. And that's what it looks like from the water. This is Saskatchewan. I can circulate this if you're interested.
One of the things it does is use what we call a fixed volume, which allows for better.... Oh, here comes some information.