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1분 안에 알아야 할 건물 화재 위험, 당신의 집은 괜찮을까 #위험신호 #점검필수
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774 观看047FireSangMug原视频发布: 2026-05-10

When fire extinguishing agents like IG-541 are released, they cause rapid pressure increases that can damage building structures such as walls, ceilings, and doors; therefore, overpressure relief vents must be installed during the structural design phase, and their location and size must be properly verified during supervision to ensure building safety.

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