EPISODE 91: Which produce more dust; e-files or manual files, which types of dusts are most harmful, the best way to ventilate a nail salon and which masks are most effective, as well as the type of vacuum cleaner best suited for the salon.

 In Episode 91 Doug discusses which produce more dust; e-files or manual files, describes which types of dusts are most harmful, explains the best way to ventilate a nail salon…

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