Thereafter the center area is covered by {HEAD ~ an insulating material web} for handling {TAIL ~ stability} in order to thereafter punch out the part of the circuit to be located at the outer web area 
for handling
Thereafter the center area is covered by { HEAD ~ an insulating material web } for handling { TAIL ~ stability } in order to thereafter punch out the part of the circuit to be located at the outer web area
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH