{HEAD ~ An insulating material layer} is {TAIL ~ conformally deposited overlying exposed portions} of the semiconductor substrate 
is
{ HEAD ~ An insulating material layer } is { TAIL ~ conformally deposited overlying exposed portions } of the semiconductor substrate
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH