Topic Solutions It possesses the carrier to which the floating device is offered, is loaded onto the hull, this carrier the 1st cover channel section and, the 2nd cover channel section and, is something which possesses with the 1st float retention slot and the 2nd float retention slot. The space is divided with the carrier and the 1st edge and the cover of the long shaku which possesses the 2nd edge, this 1st edge secession possibly accepts to the 1st cover channel section and it is unrestricted, the 2nd edge secession possibly accepts to the 2nd cover channel section and it is unrestricted. It accepts the uncovering float into the space and it is unrestricted, it is locked to the carrier. It accepts the floating sack into the space and it is unrestricted, it is locked to the carrier. The expansion mechanism which is connected to the uncovering float and the floating sack makes the both float expand, the 1st edge of the cover secedes from the 1st cover channel section of the carrier and can make the floating sack expand substantially.
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