Machine Paint - Safety

What kind of paint should I use for painting safety zones that wouldn't instantly be rubbed off from metal rubbing, occasional cleaning, and degreaser.

Background: I volunteer with an FRC team and I help run some of the manufacturing we do.

I'm looking to paint on some no hand zones to some of our more hands on equipment like a vertical bandsaw.

While the kids that are allowed to use these are trained an extra reminder will help prevent any injuries. And I believe it to be a good addition after seeing it at a local college.