When I worked in aerospace, there was a big, one-of-a-kind piece of metal where the fabricators had drilled a bunch of rivet holes in the wrong places. The stru

When I worked in aerospace, there was a big, one-of-a-kind piece of metal where the fabricators had drilled a bunch of rivet holes in the wrong places. The structural engineers had to figure out if they could still use it. There's bugs in everything.