主权项 |
1. A container, comprising:
an enclosure including a bottom portion, a top portion, and a plurality of sides which bound an interior of the enclosure, the enclosure including a sump region proximate the bottom portion of the enclosure, and a tillable bladder positioned within the enclosure, an interior of the fillable bladder being accessible through an opening in the enclosure proximate the top portion of the enclosure, wherein a first horizontal cross-sectional area of the tillable bladder located in the sump region of the enclosure is smaller than a second horizontal cross-sectional area of the fillable bladder, the second horizontal cross-sectional area being above the first horizontal cross-sectional area and outside of the sump region of the enclosure. |