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