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| − | + | Even a Stage Ladder could be risky if great sense is not applied. You can come across 160,000 reported accidents each 12 months from ladders, many would be due to lack of safety and security measures. | |
2016年7月23日 (土) 17:33時点における版
Even a Stage Ladder could be risky if great sense is not applied. You can come across 160,000 reported accidents each 12 months from ladders, many would be due to lack of safety and security measures.
