The construction of the filter and {TAIL ~ the materials} used for it are decisive for the magnitude of {HEAD ~ the electric strength} 
The construction of the filter and { TAIL ~ the materials } used for it are decisive for the magnitude of { HEAD ~ the electric strength }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD