{HEAD ~ the making} of {TAIL ~ a layer} of a superconducting material on the entire head 
of
{ HEAD ~ the making } of { TAIL ~ a layer } of a superconducting material on the entire head
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH