1. rianttuan; e.g. The machine operated very well = Seh cu ttha tein rian a ttuan.
2. hman; e.g. She can operate a sewing machine = Thiltthitnak seh a hman khawh.
3. minung pum hlai; e.g. The doctor operated on my knee = Sibawipa nih ka khuk a ka hlai.