利用者:Laddersafety8609
提供: 先週の結果分析
2016年7月22日 (金) 16:22時点におけるLaddersafety8609 (トーク | 投稿記録)による版
A excellent Stage Ladder could be dangerous if widespread sense is not utilized. There are 160,000 reported accidents every yr from ladders, many of these would end up being mainly because of lack of security and precautions.
