It's a little weird exchanging pictures for money. You know what I mean. It makes me a little uncomfortable.
The voice doesn't take a lot of effort now, but in the beginning it was hard to try to find a voice. The one I settled on was just easier to do for a half-hour.
Fluorine has a protecting action against caries, but this is a local effect. If you drink it, you are running the risk of all kinds of toxic actions.

