Scrappers infamously gutted the factory, but this one green conduit going from the sintering floor all the way to ground level seems to have been spared.
The shaft was capped by the state in 1990. Even though some shafts are capped, they are still very dangerous. The land around them tends to crater unexpectedly, sending explorers to the bottom under a pile of dirt. Stay away.
This is one of the modern nurse’s stations where the last inpatients lived in the mid-2000s. The windows are thick shatterproof plastic. I am unsure why the suspended ceiling is missing.