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Numerous accidents occur via incorrect use of a ladders, or people today trying to use a chair, stool or many other object to just function at height.
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Organisations now send staff members on ladder safety programs and windows cleaners are using expensive and wasteful tension washers due to irrational concern (of insurance corporations) of injuries with ladders.

2016年7月23日 (土) 15:13時点における版

Organisations now send staff members on ladder safety programs and windows cleaners are using expensive and wasteful tension washers due to irrational concern (of insurance corporations) of injuries with ladders.

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