Pop rivet ends

[LHaven]

I'm jealous of you guys who find free power tools and shop towels. All I ever find are sawdust and hole centers.

Sawdust is the gift that keeps on giving. This is what I found last week on a circuit board, inside a sealed box, inside my air conditioner well, after four years. (It wasn't the problem... but if lived someplace humid it could easily have been, lodged between all the chip leads like that.)