The filters suppress electrical interference pulses that are the consequence of electromagnetic or electrostatic interference resulting from {HEAD ~ lightning} or {TAIL ~ other events}, for instance 
The filters suppress electrical interference pulses that are the consequence of electromagnetic or electrostatic interference resulting from { HEAD ~ lightning } or { TAIL ~ other events } , for instance
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH