Operating means are provided for operating the first service in connection with the second service, so that {HEAD ~ the first service} can utilize {TAIL ~ the second channel} 
utilize
Operating means are provided for operating the first service in connection with the second service , so that { HEAD ~ the first service } can utilize { TAIL ~ the second channel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL