Therefore, the quantity of {TAIL ~ grass clippings} which directly collide with the front wall portion of the enclosure wall and then fall down, is remarkably reduced, and {HEAD ~ a good dispersion} of grass clippings is ensured 
Therefore , the quantity of { TAIL ~ grass clippings } which directly collide with the front wall portion of the enclosure wall and then fall down , is remarkably reduced , and { HEAD ~ a good dispersion } of grass clippings is ensured
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD OTH OTH OTH OTH OTH