Some cool cnc precision machining images:
Precision Machined & Plated in Gold

Image by sandy.redding
This is a reflector for a machine that puts the coating on microchips. Beautiful example of machining skill. Made with a CNC machine. Was so shiny I couldn’t figure out how to shoot it.
machined ring carriers

Image by cnc-machining
precision cnc milling at www.heartlandmachining.com