What does your yard consider a "complete" desktop?

I buy a lot of complete and incomplete desktops. Complete means complete means complete. If it is missing anything, it is incomplete. I do a fair amount of training for our local yards. I had to teach them that. They finally listened when I told them the difference in what I would pay. I literally had to open the computer and show them the difference in between complete and incomplete. Well, I had to teach them what the parts were. Most recycling yards are metals yards. Ewaste is a specialty all its own. To put it another way, if you are selling to a yard, you are leaving a lot of money on the table.