Always use proper workholding (vise, clamps, or fixtures)
Check that workpiece and vise are securely mounted
Remove chuck key before starting machine
Use appropriate speeds and feeds for material
Never adjust workpiece while machine is running
Keep hands away from rotating cutters
Use climb milling only when appropriate
Check cutter rotation direction before starting cut
Clean table surface and ways after use
Never leave tools on machine table
Use brush or vacuum to remove chips, never compressed air
Keep area around machine clear of obstacles
Monitor for excess vibration or unusual sounds