{HEAD ~ A method} of using a roll or bearing as an immersion member component in a hot dip galvanizing bath apparatus wherein {TAIL ~ said roll} or bearing has a nitrided layer and a nitrogen diffused layer on the surface 
{ HEAD ~ A method } of using a roll or bearing as an immersion member component in a hot dip galvanizing bath apparatus wherein { TAIL ~ said roll } or bearing has a nitrided layer and a nitrogen diffused layer on the surface
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