When {HEAD ~ the mixing ratio} of and in {TAIL ~ the range} from 5:95 to 95:5, remarkable effect can be obtained 
of
When { HEAD ~ the mixing ratio } of and in { TAIL ~ the range } from 5:95 to 95:5 , remarkable effect can be obtained
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH