a surface treatment process working on mechanical-chemical base, in which chips and workpieces (castings, stampings etc) are brought into a relative movement to each other in the machine working vessel where water and chemical componds control the required surfece treatment, mehaanilis-keemiline viimistlusprotsess kus töödeldavate toorikute (valandid, stantsised jms) pindu töödeldakse abrasiivset toimet omavate osakestega (kehadega) kemikaalide vesilahuses
