You've now been marked as having tier 4 human usefulness by Clippy the Paperclip Maximizing AI due to the (now increased) iron content of your otherwise useless & fleshy body. The nano-swarm is on its way now.

You may prepare for processing as you see fit.

By nails, do you mean the little metal things for attaching pieces of hard material together? If so, could you give a little context - I would expect someone to die of doing that. Did you perhaps blend them?