Three-ply board includes set furniture, including a part is nailed with nail, should notice nailhole whether level off, the color of nailhole place and other part is consistent.
If we could do it all over again, we would do it much differently. But you cannot go back. You are the carpenter, and everyday you hammer a nail, place a board, or erect a wall.
And then, the shield itself is a very thick overhead transparency that takes about, maybe, five minutes to hole punch, three hole punch to get it to pop onto these little pegs.
Yes, highly likely, GPT-4 says, presumably because it cannot correctly reason that if a bridge is suspended over the broken nails and broken glass, then the surface of the bridge doesn't touch the sharp objects directly.