fire door

US /ˈfaɪər dɔːr/
UK /ˈfaɪər dɔːr/
"fire door" picture
1.

방화문

a door that is designed to resist the spread of fire and smoke for a specified period of time

:
Always keep the fire door closed to prevent the spread of smoke.
연기 확산을 막기 위해 항상 방화문을 닫아두세요.
The building's safety regulations require all exits to have a certified fire door.
건물 안전 규정상 모든 출구에는 인증된 방화문이 있어야 합니다.