{TAIL ~ S} is present in {HEAD ~ the steel} as an inclusion and is required to be reduced to 0.02 mass % or less because it degrades bending workability and magnetic properties 
{ TAIL ~ S } is present in { HEAD ~ the steel } as an inclusion and is required to be reduced to 0.02 mass % or less because it degrades bending workability and magnetic properties
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH