{HEAD ~ The thus formed zinc oxide film} is provided with {TAIL ~ an uneven surface} suitable for an optical confinement layer of a photo electricity generating device excellent in photoelectric performances 
is provided with
{ HEAD ~ The thus formed zinc oxide film } is provided with { TAIL ~ an uneven surface } suitable for an optical confinement layer of a photo electricity generating device excellent in photoelectric performances
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH