These types of {HEAD ~ systems} usually operate at {TAIL ~ a pace} faster and more accurately than could be achieved in a manual operation 
These types of { HEAD ~ systems } usually operate at { TAIL ~ a pace } faster and more accurately than could be achieved in a manual operation
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH