The properties of the gears can be improved still further if the greatest dimension of {HEAD ~ the spheroidal graphite particles} in {TAIL ~ the cast iron} is at most 0.06 mm 
in
The properties of the gears can be improved still further if the greatest dimension of { HEAD ~ the spheroidal graphite particles } in { TAIL ~ the cast iron } is at most 0.06 mm
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH