The term firestop refers to
A) a fire-rated floor with a minimum fire rating of 3 h.
B) a fire-rated wall with a minimum fire rating of 3 h.
C) a fire seal in a non-fire -rated wall or floor.
D) a fire seal in a fire -rated wall or floor.
E) none of the above.
D) a fire seal in a fire -rated wall or floor.
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