{HEAD ~ The switches} 58 and 59 cause the motor 43 to rotate in {TAIL ~ opposite directions} 
{ HEAD ~ The switches } 58 and 59 cause the motor 43 to rotate in { TAIL ~ opposite directions }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL