利用者:Stairsattic80
提供: 先週の結果分析
2016年7月24日 (日) 02:48時点におけるStairsattic80 (トーク | 投稿記録)による版
The Essentials
A new ladder jack is triangular in form. A single side of the triangle gives two brackets that bind involving two ladder rungs.
The Essentials
A new ladder jack is triangular in form. A single side of the triangle gives two brackets that bind involving two ladder rungs.