| http://www.w3.org/ns/prov#value | - Such a rotary multi shelf type article storage warehouse is convenient for storing a multiplicity of small objects in an organized manner, but the problem has arisen that if the available space for such a warehouse is exploited as effectively as possible then the upper ones of the stacked shelves become rather inaccessible, and it is difficult to place articles on these upper shelves, and to retri
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