The set of power sources provides charge to the tamper detection device and places {TAIL ~ the tamper detection device} in {HEAD ~ the non tamper state} 
The set of power sources provides charge to the tamper detection device and places { TAIL ~ the tamper detection device } in { HEAD ~ the non tamper state }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD