So Gary, why don’t you start us off with a little bit of The present position of the testing—if you're feeling you happen to be thoroughly up to speed on the details there—after which we could launch into the rest of the discussion? Bismuth sulfide (Bi2S3) is a chemical compound https://resin3dprinter61581.blogolize.com/facts-about-copper-activated-zinc-sulfide-revealed-73380293