detaili pinna viimistlemine abrasiivpastaga (plankimispastaga) spetsiaalse tööriista – plankuri abil (vt plankur), a finishing operation using fine abrasive grits loaded into a lapping materials such as cast iron; lapping provides major refinements in the workpiece including extreme accuracy of dimensions, correction of minor imperfections of shape, refinement of surface finish, and close fit between mating surfaces (see: lap)