A pair of {HEAD ~ cutter blades} are arranged to the right and to the left of {TAIL ~ the mulching mower} in a cutter housing which opens downwardly 
A pair of { HEAD ~ cutter blades } are arranged to the right and to the left of { TAIL ~ the mulching mower } in a cutter housing which opens downwardly
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH