Thus, the magnetic powder in this mixing ratio is specifically suitable for {HEAD ~ magnetic recording} in {TAIL ~ a long wavelength range} 
in
Thus , the magnetic powder in this mixing ratio is specifically suitable for { HEAD ~ magnetic recording } in { TAIL ~ a long wavelength range }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL