The streams can, more or less, contain {TAIL ~ equal parts} of each component and are used without {HEAD ~ further processing} or purification 
The streams can , more or less , contain { TAIL ~ equal parts } of each component and are used without { HEAD ~ further processing } or purification
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH