In {TAIL ~ dry milling}, the whole grain is milled and used in {HEAD ~ the process} 
In { TAIL ~ dry milling } , the whole grain is milled and used in { HEAD ~ the process }
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD