The addition of chromium within the aforementioned limits may be advisable in order to increase {HEAD ~ the strength} of {TAIL ~ the alloy} 
of
The addition of chromium within the aforementioned limits may be advisable in order to increase { HEAD ~ the strength } of { TAIL ~ the alloy }
OTH OTH 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