pinna lihvimine elektritjuhtiva abrasiivtööriista abil mehaaniliste ja elektrokeemiliste protsesside koostoimel (vt elektrokeemiline lõiketöötlus), a process whereby metal is removed mostly by deplating; the workpiece is anode and the catode is a conductive aluminium oxide-copper or metal-bonded diamond grinding wheel with abrasive particles (see: electrochemical machining)