{HEAD ~ The amount} of current shunted is determined by the highest voltage level of {TAIL ~ the control buses} 30a a 
{ HEAD ~ The amount } of current shunted is determined by the highest voltage level of { TAIL ~ the control buses } 30a a
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH