get away!

really?

the abrasive in toothpaste is something like calcium carbonate
(chalk) , right?

or are they adding carborundum to Crest now?

:)

John, have you done this trick?

alistair

On 22-Jun-11, at 7:16 AM, John Rodgers wrote:

>
> BTW - toothpaste applied on the  end of a rubber power eraser can be
> used to grind a hole in glass, should you ever have the need to do so.
>
> John