The RMIC materials may also include a variety of {HEAD ~ other elements}, such as titanium, hafnium, {TAIL ~ aluminum}, and chromium 
The RMIC materials may also include a variety of { HEAD ~ other elements } , such as titanium , hafnium , { TAIL ~ aluminum } , and chromium
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH