The enclosure wall is formed by side wall portions ar right and left outsides of the cutter housing and {HEAD ~ front and rear enclosure wall portions} hang down from {TAIL ~ the under surface} 
hang down from
The enclosure wall is formed by side wall portions ar right and left outsides of the cutter housing and { HEAD ~ front and rear enclosure wall portions } hang down from { TAIL ~ the under surface }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL