Suitable carbides include, but are not limited to, chromium carbide, titanium carbide, {HEAD ~ tantalum carbide}, niobium carbide and {TAIL ~ zirconium carbide} 
Suitable carbides include , but are not limited to , chromium carbide , titanium carbide , { HEAD ~ tantalum carbide } , niobium carbide and { TAIL ~ zirconium carbide }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL