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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.
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A Telescoping ladder is straightforward to transport also to store.

2016年7月18日 (月) 02:57時点における版

A Telescoping ladder is straightforward to transport also to store.