In the event that a fixing element 4 and another conductive element are to be protected from electrical discharges, {HEAD ~ the mentioned device} 1 would be arranged on {TAIL ~ the fixing element} 4 
arranged on
In the event that a fixing element 4 and another conductive element are to be protected from electrical discharges , { HEAD ~ the mentioned device } 1 would be arranged on { TAIL ~ the fixing element } 4
OTH OTH 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 OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH