{TAIL ~ A grain dryer} which includes {HEAD ~ a grain column} through which grain may flow is disclosed 
{ TAIL ~ A grain dryer } which includes { HEAD ~ a grain column } through which grain may flow is disclosed
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH