A fire door is a specially designed door that helps to contain the spread of fire and smoke within a building, providing safety and protection for occupants. These doors are typically made from fire-resistant materials, such as steel or specially treated wood, and are equipped with seals that expand when exposed to heat, preventing smoke from passing through. Fire doors are often installed in areas like stairwells, hallways, and between different sections of a building to create fire-resistant barriers. They are required by building codes in many regions and play a crucial role in fire safety by allowing time for evacuation and minimizing damage during a fire emergency.

“fire door”的英语定义和含义

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