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