Another Sink Drain

I thought the other drain was probably the tool wash station for the dentist's office.
Maybe it was, but that didn't stop this drain from collecting it's share of tools, too.

Notice that this trap is plastic. The other one was stainless steel, which dates it as an older part.
If I had to guess, I would say that the original drain for this sink was stainless steel, too (all the sinks were installed at the same time). All those tools getting lost down the sink finally clogged it up and the newer plastic parts were used to rebuild it.

That's a lot of tools.

Here's a link to the original sink drain post: Lose Something?