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【一問一答 第084題】2016.07.13

2016-07-13View Original

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【一問一答 第084題】2016.07.13 容器や塔型装置の内部に入る場合、酸素濃度は何%以上が求められますか? 返信すると参考答案が見られ、要点を答えれば得点できます。 タンクや塔型装置内に入るには、酸素濃度を19%~23%に保つ必要があります。

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