The carbon content is preferably limited to {TAIL ~ a maximum} of {HEAD ~ 0.04 percent} by weight, in particular, to a maximum of 0.02 percent by weight 
The carbon content is preferably limited to { TAIL ~ a maximum } of { HEAD ~ 0.04 percent } by weight , in particular , to a maximum of 0.02 percent by weight
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH