The number of {TAIL ~ contacts} required to independently control the N components is substantially less than {HEAD ~ the total number} of terminals 
The number of { TAIL ~ contacts } required to independently control the N components is substantially less than { HEAD ~ the total number } of terminals
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH