{HEAD ~ Each second slotted partition} 14 has {TAIL ~ a first or bottom edge} 18, a second or top opposed edge 20 and a pair of side edges 22 
has
{ HEAD ~ Each second slotted partition } 14 has { TAIL ~ a first or bottom edge } 18 , a second or top opposed edge 20 and a pair of side edges 22
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH