Said {HEAD ~ stainless steel} has improved {TAIL ~ workability}, weldability and endurance and the produced bellows can be used as a bellows valve, a bellows joint, and the like 
improved
Said { HEAD ~ stainless steel } has improved { TAIL ~ workability } , weldability and endurance and the produced bellows can be used as a bellows valve , a bellows joint , and the like
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH