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− | + | Even a Phase Ladder could be risky if prevalent sense is not applied. There are 160,000 documented accidental injuries every yr from ladders, numerous would be due to inadequate protection and precautions. |
2016年7月18日 (月) 15:51時点における版
Even a Phase Ladder could be risky if prevalent sense is not applied. There are 160,000 documented accidental injuries every yr from ladders, numerous would be due to inadequate protection and precautions.