利用者:Ladderlevelers9905932
提供: 先週の結果分析
2016年7月23日 (土) 17:33時点におけるLadderlevelers9905932 (トーク | 投稿記録)による版
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.
