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