During a natural disaster, which item can be used to block off an area?

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In an emergency, you need a quick, visible way to create a boundary that prevents access to a hazardous area. Trash cans work well for this because they’re portable, widely available, and easy to place in a line or across an opening to block passage. They provide a simple, temporary barrier that can be moved or removed as conditions change. Other options have drawbacks: barbed wire is dangerous and slow to deploy, fence panels are heavy and take time to set up, and traffic cones are great for directing movement but may not completely block off a space as effectively when space is limited.