└ escape route (route used when evacuating from a building or vehicle)
         ├ disaster prevention helmet
         ├ disaster hood
         ├ Flashlights, Handy Lights
         ├ mask
         ├ Evacuation Rope
         ├ fire ladder
         ├ stretcher
         ├ whistle
         ├ Loudspeakers, megaphones
         └ Other evacuation devices
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