{HEAD ~ Each} of the first slotted partitions has {TAIL ~ opposed slots} extending inwardly from opposed edges of the partition to facilitate folding the partition 
has
{ HEAD ~ Each } of the first slotted partitions has { TAIL ~ opposed slots } extending inwardly from opposed edges of the partition to facilitate folding the partition
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH