This mill may be used for working on metal or plastic.
This machine is a Central Machinery (Harbor Freight) model T-2119.
Manuals can be found at http://makerspace.tulane.edu/index.php/File:Central_Machinery_Mill_Drill_T2119.pdf
PPE instructions can be found XXXX.
End mills and collets can be found XXXX and replacements can be ordered from Fastenal or McMaster