CM = Contract Manufacturer CNC = Computer Numerical Control (an automated mill) BOM = Bill of Materials (a parts list) It is jargon, but it's jargon that someo

CM = Contract Manufacturer CNC = Computer Numerical Control (an automated mill) BOM = Bill of Materials (a parts list) It is jargon, but it's jargon that someone who would be concerned about "not showing ejector pin marks" would probably know.