As {TAIL ~ waste containers} are brought to the waste disposal site, they are placed upon the geometrically indexing support structure 22 in {HEAD ~ a known order} and array 
As { TAIL ~ waste containers } are brought to the waste disposal site , they are placed upon the geometrically indexing support structure 22 in { HEAD ~ a known order } and array
OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD OTH OTH