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