0
回編集
差分
提供: 先週の結果分析
細
Even Many accidents take place by means of incorrect use of a Stage Ladder could be harmful if good sense is not utilized. There are 160,000 documented injuries every 12 months from ladders, many would be because of lack of safety or men and precautionswomen wanting to use a seat, stool or several other object to just function at height.
編集の要約なし