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Subject: Re: calcium carbonate

From: "tda7000" <Tda7000@...>
Date: 2013-03-19

I think it's much better to know what something is, how dangerous and why, so then you'll know exactly why and how you can avoid it.

Give people only half the facts or try to keep everyone in the dark and you have a recipe for disaster, in my opinion. But maybe that's just me...


--- In Homebrew_PCBs@yahoogroups.com, Roland Harriston <rolohar@...> wrote:
>
> On 3/18/2013 2:39 PM, AlienRelics wrote:
> >
> > OK, so keepitsimplestupid hijack's Ricks thread, and smilingcat
> > hijacks keepitsimplestupid's hijacked thread. Interesting.
> >
> > For those of us who are not chemists, what is HF acid?
> >
> > Steve Greenfield AE7HD
> >
> > -
> >
> Trust me.
> You are better-off not knowing what it is.
> Much, much better-off not ever trying to use it.
> Good stuff to stay away from.
>
> Roland F. Harriston, P.D.
> ∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
>
>
> [Non-text portions of this message have been removed]
>