The easing gear of bulk cargo, memory space, electric discharge bulk material (5) is carried out in the memory space (1) including conveyer means, wherein the conveyer is at least in the low-level of end phase off-load, in the memory space, wall part (7) driving instrument of driving member, such as pass through supply pressure fluid to room for moving the wall, the wall is adjacent, to shift to the conveyer by the mobile wall material, such as in memory space, wherein boundary arrive prevent loose unpacked material flow out the boundary towards conveyer.
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