The HF current generator of an electrosurgical apparatus has one terminal connected to an active electrode and {TAIL ~ an additional terminal} connected to {HEAD ~ a neutral electrode} 
The HF current generator of an electrosurgical apparatus has one terminal connected to an active electrode and { TAIL ~ an additional terminal } connected to { HEAD ~ a neutral electrode }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD