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