The upwardly directed wind, generated at {TAIL ~ the blade} approaching portion 51 as described above, raises uncut grasses at {HEAD ~ the blade} approaching portion 51 
The upwardly directed wind , generated at { TAIL ~ the blade } approaching portion 51 as described above , raises uncut grasses at { HEAD ~ the blade } approaching portion 51
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH