{HEAD ~ An induction motor} 1, which further comprises a control device for effecting the ON/OFF controlling of {TAIL ~ said first and second connection changing switches} 
{ HEAD ~ An induction motor } 1 , which further comprises a control device for effecting the ON / OFF controlling of { TAIL ~ said first and second connection changing switches }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL