11.   Every schoolyard has a protective ditch for disposing bombs, as well as underground shelters and sealed rooms.

12.   Representatives from the Democratic and Republican parties joined two deputies camping out in a sealed room with the ballots.

13.   The letter recommended locating the nearest air raid shelter, obtaining gas masks and follow Israeli advice on preparing sealed rooms.

14.   The new scare is good business for Shenhav Protective Systems, an Israeli company selling air filters that keep chemical weapons out of shelters and sealed rooms.