Those parts engraved for US Air Force, job was marked with high power fiber laser to comply with Mil130 and Mil128 standards so that laser engraved text cannot be removed during normal pat usage.  LaserCutZ can perform any type of engraving on all pats. We provide software customization services where our machines can request or submit derail numbers and batch numbers as per DOD or FDA requirements. If needed all our machines can be customized to meet project requirements.