With this type of {HEAD ~ powder core}, {TAIL ~ these materials} can provide suitably high heat resistance 
With this type of { HEAD ~ powder core } , { TAIL ~ these materials } can provide suitably high heat resistance
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH