{TAIL ~ The servo control} energizes the linear electromagnetic actuator with a current which always has the proper polarity and {HEAD ~ value} to compensate for losses 
{ TAIL ~ The servo control } energizes the linear electromagnetic actuator with a current which always has the proper polarity and { HEAD ~ value } to compensate for losses
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH