I will teach you the know-how you need to know when working on system air conditioner cleaning in commercial facilities.

시스템에어컨청소 상업시설 작업할 때 알아야 될 노하우 알려드릴게요

#teach #knowhow #working #system #air #conditioner #cleaning #commercial #facilities

“엣지있는 리더_엣지클린”

#Air Conditioner Cleaning #Air Conditioner Cleaning Startup #System Air Conditioner Cleaning There is one thing missing from the video: working on the ceiling while lifting the ladder on tiptoes because it is light, or (because the ladder is low) spreading out all three steps and working with both feet on the top floor…

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