The coated plate is then ablated with {HEAD ~ a laser} to form {TAIL ~ at least one opening} in the coated plate 
to form
The coated plate is then ablated with { HEAD ~ a laser } to form { TAIL ~ at least one opening } in the coated plate
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH