The principal control element of the battery analyzer is a microprocessor chip which interrelates with a keyboard for receiving {HEAD ~ data} from {TAIL ~ an operator} 
from
The principal control element of the battery analyzer is a microprocessor chip which interrelates with a keyboard for receiving { HEAD ~ data } from { TAIL ~ an operator }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL