A complete data stored ROM is manufactured by partial activation of predetermined regions responding to {HEAD ~ the specifications} of {TAIL ~ users} 
of
A complete data stored ROM is manufactured by partial activation of predetermined regions responding to { HEAD ~ the specifications } of { TAIL ~ users }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL