The heated air then passes through the flow of grain in each of the columns 26 so as to heat and remove {HEAD ~ moisture} from {TAIL ~ the grain} 
from
The heated air then passes through the flow of grain in each of the columns 26 so as to heat and remove { HEAD ~ moisture } from { TAIL ~ the grain }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL