step 4 should be step 1

来源: hmo 于 2015-07-17 13:04:18 [] [旧帖] [给我悄悄话] 阅读数 : (30 bytes)
回答: Steps to replace bathroom vent: 由 borisg 于 2015-07-17 10:16:07

turn off the electricity first

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