Check out these milling engineering images:
D10 Stuart Milling the valve Chests

Image by tudedude
Milling machine

Image by brotherlywalks
Mill

Image by brotherlywalks
Rapid Prototyping China
Check out these milling engineering images:
D10 Stuart Milling the valve Chests

Image by tudedude
Milling machine

Image by brotherlywalks
Mill

Image by brotherlywalks