“梯子頭加裝的支架”頭次見，是不是加了這個梯子就不會倒，安全很多？

這個支架支撐貌似梯子頭那位置得有個接近平麵才行，那若是垂直的外牆怎麽辦？

所有跟帖： 

• sure it is safer but.. -borisg- ♂ (293 bytes) () 11/30/2023 postreply 06:14:31

• 謝謝, 那架子怎能固定在垂直外牆呐? 僅靠支架那2腳的摩擦力? -pickshell- ♀ (0 bytes) () 11/30/2023 postreply 07:08:14

• yes. that's why the lower ends of ladder need be -borisg- ♂ (27 bytes) () 11/30/2023 postreply 07:10:57

• 哦.學習了.謝謝. -pickshell- ♀ (0 bytes) () 11/30/2023 postreply 07:51:11