{HEAD ~ The current} to be transmitted by way of {TAIL ~ the contact rolls} is accordingly lower, even if the same local current density is used 
{ HEAD ~ The current } to be transmitted by way of { TAIL ~ the contact rolls } is accordingly lower , even if the same local current density is used
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH