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Various styles of roof ladders<br><br>Roof ladders can be identified in a variety of styles with few variations in their characteristics for different utilities.
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Domestic falls from ladders greater 62% concerning 1992 and 2002, with 48,000 individuals staying injured in this manner within 2002. These statistics recommend that persons are unacquainted with crucial guidance for the safe use of ladders.

2016年7月17日 (日) 05:31時点における版

Domestic falls from ladders greater 62% concerning 1992 and 2002, with 48,000 individuals staying injured in this manner within 2002. These statistics recommend that persons are unacquainted with crucial guidance for the safe use of ladders.

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