{TAIL ~ This vibration}, perceivable as noise, must produce {HEAD ~ some triboelectric effect} which electrizes uncharged particles, too 
{ TAIL ~ This vibration } , perceivable as noise , must produce { HEAD ~ some triboelectric effect } which electrizes uncharged particles , too
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH