transmitting energy needed for adjustment of {TAIL ~ said flow limiting device} from said service device into {HEAD ~ said device} that includes said flow limiting device, 
transmitting energy needed for adjustment of { TAIL ~ said flow limiting device } from said service device into { HEAD ~ said device } that includes said flow limiting device ,
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH