In {HEAD ~ addition} to {TAIL ~ these detergent surfactants}, the detergent compositions can optionally comprise from 0 to about 60% by weight of a detergent builder 
to
In { HEAD ~ addition } to { TAIL ~ these detergent surfactants } , the detergent compositions can optionally comprise from 0 to about 60 % by weight of a detergent builder
OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH