You can buy replacement wallet windows pretty cheaply if yours have deteriorated.

FWIW, we cleaned out one of the out buildings on my family’s rural property which was built in 1903. I found some rusty cast iron pans. Reconditioned them and use them all the time. They are at least 115 years old.

The halfway sensible ones would. But the ones that thing religious texts are magic books would burn the former as heretics if they were allowed to do so.

There are a lot of German industrial safety videos. And they all are slasher films and gruesome to the extent they are amusing to Americans.