Laser Engraving Anodized Aluminium - The right way
Amazon.com: OMTech Laser Marking Spray, Metal Laser Marking Fluid for CO2 Laser Engravers, 2×13oz Aerosol High Contrast Spray for Black Laser Engraving Metal, Laser Ink Agent for Aluminum Stainless Steel Brass
OMTech Aluminum Laser Workbed Set of 30 Knife Blades for 24x35 CO2 Laser Markers | eBay
Laser Etching/Engraving and Engraver Machines | MECCO
CO2 Metal Marking with a Laser - Application Gallery for Laser Engravers and Cutters
Difference fiber and CO2 laser for laser engraving of metals