{HEAD ~ The plates} forming {TAIL ~ contact surfaces} 2 are intermediately supported by the intermediate weir 13 within slots formed in the intermediate weir 
forming
{ HEAD ~ The plates } forming { TAIL ~ contact surfaces } 2 are intermediately supported by the intermediate weir 13 within slots formed in the intermediate weir
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH