{HEAD ~ The channel walls} depend from the panel to define a channel between {TAIL ~ the channel walls} and the panel for receiving a semiconductor therein 
{ HEAD ~ The channel walls } depend from the panel to define a channel between { TAIL ~ the channel walls } and the panel for receiving a semiconductor therein
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH