{HEAD ~ The cutter blades} rotate in {TAIL ~ opposite directions} from each other so that tip ends of the cutter blades move from front to rear at right and left outsides, respectively, of the mulching mower 
rotate in
{ HEAD ~ The cutter blades } rotate in { TAIL ~ opposite directions } from each other so that tip ends of the cutter blades move from front to rear at right and left outsides , respectively , of the mulching mower
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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 OTH OTH OTH OTH OTH OTH