The method 4, which has {TAIL ~ the additional step}, after step , of adding a small amount of {HEAD ~ a polysiloxane polyether copolymer} sufficient to control flow 
The method 4 , which has { TAIL ~ the additional step } , after step , of adding a small amount of { HEAD ~ a polysiloxane polyether copolymer } sufficient to control flow
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH