Ok I have read SO much stuff on this I really dont know what to do so hopefully you folks can help me.
I have a Harbor Freight Mill and I use a screwless vice on it. I can run my hand over the table and feel some burrs. I have this machine in an out building and it gets some light rust. I oil it but seems not to help.

So first I hear that you can stone the table to get the burrs off... WHAT kind of stone do I need and grit?
I also need to get the lite rust off but would like a non toxic solution for this and what are you folks putting on to prevent rust? I have considered gun oil, ok now school me...