| 摘要 |
PROBLEM TO BE SOLVED: To provide a matter putting tool by which matters are easily and stably put. SOLUTION: Three or more poles are fixed to a circular, polygonal, etc., pedestal or base to lower a centroid to increase stability, and a matter, the lid of a container are fixed with the fixed poles as supports. Furthermore, flame-resistant finish, expansion/contraction, or folding functions to the poles can be added.
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