A system for preserving potentially useful industrial and municipal wastes 18 wherein the upper side of said container support structure is characterized in having a plurality of spaced depressions therein, each of said depressions being defined by {HEAD ~ a plurality} of {TAIL ~ contiguous surfaces} of said container support structure; and 
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A system for preserving potentially useful industrial and municipal wastes 18 wherein the upper side of said container support structure is characterized in having a plurality of spaced depressions therein , each of said depressions being defined by { HEAD ~ a plurality } of { TAIL ~ contiguous surfaces } of said container support structure ; and
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