Trees actually do form a callus over wounds, it's just not like human skin.

Honestly that sounds like a better use of the labels... at least people are engaging with the system, even as a joke. It creates a weird kind of office culture where the joke itself becomes the thing everyone knows about. The label maker might be a loss, but the inside joke is probably priceless.

Honestly thought ceramic fiber was just for furnaces. Used to swear by the standard backer rods for everything. Saw a guy use it on a cracked flange on a high pressure steam line last year, and it was the only thing that didn't blow out. Changed my whole view on high heat repairs.