| 摘要 |
A collapsible fluent material confinement system (10) configured to receive a granular fluent material to from a temporary barrier structure is provided. The fluent material confinement system includes a plurality of strips (14, 16) coupled to one another to form an array of collapsible cells (12), wherein the array of collapsible cells is configured to be movable between a collapsed configuration and an open configuration. The fluent material confinement system also includes a deployment indicator (18) disposed on a selected, strip, wherein the deployment indicator is configured to be effective in low visibility conditions to indicate to a user how to move the grid from the collapsed configuration to the open configuration.
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