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Why aren’t you wearing a mask?
Why should I? There is no dust produced while grinding because of the water spayed on the diamond disc.
@@hsinchuen I don’t know, that’s why I am asking. I’m trying to learn.
Why aren’t you wearing a mask?
Why should I? There is no dust produced while grinding because of the water spayed on the diamond disc.
@@hsinchuen I don’t know, that’s why I am asking. I’m trying to learn.