A typical room in the barracks, reinforced from mortars and light shelling, possibly.
Because of the dangers of storing the materials to make explosives as well as the explosives themselves, there were earthen bunkers all across the plant like this.
The side stairs were worn smooth by use.
Paint lines were constantly monitored through big windows. Adjustments could be made on the dedicated consoles. This is what most of the painting floor looked like.
One of the older buildings on the site, this is an old power house that provided electricity to the plant. I spent some time walking around it and believe it was fired with coal gas but had a diesel backup installed later.
The bricks routinely fell from the walls, like seeds falling from trees. On a smaller scale, new walls grew from the floors.