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− | + | Most accidents involving operating in height and in ladders may possibly also be prevented as significantly are due to both improper make use of or even poorly sited ladders that both slide other or fall. |
2016年7月23日 (土) 11:31時点における版
Most accidents involving operating in height and in ladders may possibly also be prevented as significantly are due to both improper make use of or even poorly sited ladders that both slide other or fall.