[subtractive processes and techniques]cleaningbleachingcuttingbroachingfilingerasinggrindingdrillinghoningmachiningreamingturningexcavationdredgingpickingscrapingstrippingskinningengravingetchingplaningminingquarryingdismantlingwhittling[carving and carving techniques]perforatingremovingpiercingskimmingskeletonizingelectrolytic etchingattritionshavingdegaussingfettlingdecalcifyingdesizingmaceratingextractingdelignificationdegummingdecolorizingknappingfractionationexhumationdechlorinationdecarburizationwipingLevallois techniqueretouchdisassemblingbrushingcomputer numerical control machiningcanalizationdewettingprocesses and techniques by specific type