Next, {HEAD ~ the means} for determining optimum amounts supplemented is explained on a case of a mixed chemical solution of {TAIL ~ two components A} and B 
Next , { HEAD ~ the means } for determining optimum amounts supplemented is explained on a case of a mixed chemical solution of { TAIL ~ two components A } and B
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH