Then, {HEAD ~ image processing} is conducted on the copper foil layer 120 of {TAIL ~ the first base board} 100  
Then , { HEAD ~ image processing } is conducted on the copper foil layer 120 of { TAIL ~ the first base board } 100
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH