{TAIL ~ The initial concentrations} of {HEAD ~ these constituents} in the broth and the order of mixing these chemicals are important 
{ TAIL ~ The initial concentrations } of { HEAD ~ these constituents } in the broth and the order of mixing these chemicals are important
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH