Offbreed wrote:
ajames54 wrote:

And to make things more fun the presence of zinc significantly
increases the toxicity of copper...

That reminds me.

Little children sometimes swallow coins. The old penny, solid bronze,
was not too bad. The newer pennies with the zinc inside are deadly.
Remember that around the brats.

Hmmmm. While Zinc Toxicosis is nothing to sneer at, "deadly" is exaggerating
things a bit, methinks.