利用者:Ceilingstairs758
提供: 先週の結果分析
2016年7月23日 (土) 12:51時点におけるCeilingstairs758 (トーク | 投稿記録)による版
Faulty, broken or even bent ladders are responsible for a huge percentage of the incidents that occur when working at elevation.
Faulty, broken or even bent ladders are responsible for a huge percentage of the incidents that occur when working at elevation.
