{HEAD ~ The primary ingredients} comprise in relative proportions, 96.70 99.83 wt % SrTiO3, 0.15 2.30 wt % WO3, and {TAIL ~ 0.02 1.00 wt % CuO} 
{ HEAD ~ The primary ingredients } comprise in relative proportions , 96.70 99.83 wt % SrTiO3 , 0.15 2.30 wt % WO3 , and { TAIL ~ 0.02 1.00 wt % CuO }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL