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