PURPOSE: the installation of slot and supporting part are provided to prevent from being the failure to carry out water and above-mentioned center of gravity using buoyancy. ;CONSTITUTION: the axis and a main body of the length and control function of the installation of slot and the fixed flower wool fiber buoyancy tanks of supporting part, which includes a weight groove. It includes axis (3), buoyancy tanks (2) and weight groove (4) that the slot, which is installed with supporting band,. Use flower decoration is supported on the axis. The axis includes waterproof material. One axis connection is to the weight groove and buoyancy tanks. ;The 2013 of copyright KIPO submissions
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