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Extension ladders are usually separated into two or three pieces, you could pull-up and slide for easy storage collectively. It can be only expanded to its optimum length by slipping the pieces apart either personally or getting a pulley method.
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A new multi-place ladder:<br><br>• Can configure itself into several ladders (A-frame ladder, growth ladder, staircase type ladder, along with a 90 degree ladder) that could be made use of in distinct situations.

2016年7月24日 (日) 10:48時点における版

A new multi-place ladder:

• Can configure itself into several ladders (A-frame ladder, growth ladder, staircase type ladder, along with a 90 degree ladder) that could be made use of in distinct situations.