A small synchronous motor with {HEAD ~ high reliability} so devised that {TAIL ~ transition} from start operation to synchronous operation is ensured 
A small synchronous motor with { HEAD ~ high reliability } so devised that { TAIL ~ transition } from start operation to synchronous operation is ensured
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH