{HEAD ~ The invention} generally relates to {TAIL ~ tubular components} and, more particularly, the invention relates to tubular products made of cobalt and cobalt alloys 
relates to
{ HEAD ~ The invention } generally relates to { TAIL ~ tubular components } and , more particularly , the invention relates to tubular products made of cobalt and cobalt alloys
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH