利用者:Bestladder703
提供: 先週の結果分析
2016年7月19日 (火) 20:49時点におけるBestladder703 (トーク | 投稿記録)による版
Extensions, are as a result named due to the way they extend to lots of occasions their unique elevation. They usually consist of two, or 3 distinctive ladders which are connected collectively on a slipping procedure.