| 摘要 |
PURPOSE: To make a container removable for making the container empty and to improve the useability by arranging a plurality of containers of complementary shaping to form a compact unit for the space saving. CONSTITUTION: Containers 1 are made rectangular, that is, trapezoidal, comprise the perpendicular triangular base outlines, and respectively comprise a rear side face 2 and a front tapered side face 3. The containers comprise the straight parts 6, 6a, which are extended from the rear side faces 2 or 5, and kept into contact with the parts 7, 7a obliquely converging forward, the apex sides of the parts 6, 7 are opened or provided with the closures, and the parts 6a, 7a form the bottoms of the containers.
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