「利用者:Telestepsladder58447」の版間の差分
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| − | + | Extension ladders are usually separated into two or three pieces, you could pull-up and glide with each other for quick storage. It can be only extended to its optimum length by sliding the pieces apart both by hand or with a pulley technique. | |
2016年7月18日 (月) 02:51時点における版
Extension ladders are usually separated into two or three pieces, you could pull-up and glide with each other for quick storage. It can be only extended to its optimum length by sliding the pieces apart both by hand or with a pulley technique.
