However, in this case, dispersion occurs along a length of {TAIL ~ the circumferential direction} of the magnet A on {HEAD ~ the surface} of the circumference due to the cutting 
However , in this case , dispersion occurs along a length of { TAIL ~ the circumferential direction } of the magnet A on { HEAD ~ the surface } of the circumference due to the cutting
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH