According to {HEAD ~ various embodiments}, the BOX body interface includes {TAIL ~ a trapping layer}, such as an SRI layer 
According to { HEAD ~ various embodiments } , the BOX body interface includes { TAIL ~ a trapping layer } , such as an SRI layer
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH