For {TAIL ~ the rolling granulation}, {HEAD ~ a granulator} such as a pan granulator and a drum granulator may be used 
For
For { TAIL ~ the rolling granulation } , { HEAD ~ a granulator } such as a pan granulator and a drum granulator may be used
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH