Do Not 1. Prop fire doors open. 2. Store materials in stairwells. 3. Store trash cans in front of doorway. 4. Use cinderblock to prop open the doors. 5. Use chair to block an emergency cut-off valve. 6. Place chairs in dangerous areas. For example, the chair in the picture could represent a struck against hazard. Someone could sit in the chair, and strike their head on the pipe and valve behind it. This chair could also encourage smoking in the stairwell.
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