{HEAD ~ The source, electrodes} is formed to prevent {TAIL ~ the data bus line} from being electrically disconnected 
is formed to prevent
{ HEAD ~ The source , electrodes } is formed to prevent { TAIL ~ the data bus line } from being electrically disconnected
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH