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A multi-place ladder:<br><br>• May perhaps configure itself into various ladders (A-frame ladder, growth ladder, staircase variety ladder, and a 90 degree ladder) which may well be employed in diverse conditions.
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Faulty, damaged or even bent ladders are accountable for a significant percentage of the incidents that take place when functioning at elevation.

2016年7月19日 (火) 23:23時点における最新版

Faulty, damaged or even bent ladders are accountable for a significant percentage of the incidents that take place when functioning at elevation.