welcome back to war! starting warfare again...these are two medical devices, to search for noddles...are mini gamma ray cameras ...usual at biopsies department or clinics , it has radon 222...(all the sources I've seen today have ~0.2 microcuries, all of them by now, with gathering of one each, and we already have 1.5 microcuries) Foto de Black Mask. Foto de Black Mask.