Last Updated:2025/11/30
The contractor recommended several new fireproofings for the aging steel beams to improve safety.
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The contractor recommended several new fireproofings for the aging steel beams to improve safety.
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施工業者は、老朽化した鉄骨の安全性を高めるためにいくつかの新しい耐火被覆材を勧めた。