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