I'm not sure what a "sprink" is, but this is the central one.
Big motor-generator thingy that is no longer meeting standards and as a result is costing us a giant daily fine to be running. And running it certainly was.
This, evidently, is a breathing apparatus.
Here is a GIANT wall panel filled with knobs and dials and switches and all sorts of good things!
Amid the thundering racket of machinery at work, what was operating, why, and how, was being explained to us. I mostly didn't hear anything.
Some sort of pulley. Seems a little outdated compared with some of the other things in here.
This door was really pretty awesome. It slides across AND down, thus completely closing off and sealing this room. From what? I don't really know... the room on the other side of the door I guess.
It was speculated that those big ol' generators were running to charge this here battery. Perhaps the 10Volt battery charger had malfunctioned. Perhaps it had something to do with the "pot feeder gaskets".
This, I know. THIS is a thermometer. It measures temperature. This particular one is quite high-tech, you see. It is measuring temperature in BOTH degrees Farenheit AND Celcius! As you can see, it was toasty down in this part of the tunnel system.