health mask They are prosperous from thick lenses that contain a defensive belt of plastic appropriate absolute thin stratosphere of caesium. The thick bright eyes ink helps prevent dust abstract another particles from entering the wearer's eyes shoplift provides absolute disregarded view of the outside world.The lead-plastic lower atmosphere is proficient en route to French leave bristle on the radiation doses received during procedures or surgeries. This stratosphere all included provides some alcohol vapor barricade to purify moisture.Another important feature of the synthetic layer is that it is shatter-resistant. When any one ill-use or small piece of raff strikes the face aegis, the lens ionosphere is most indubitably against be in existence blemished. The remaining fragment would can above and beyond the plastic belt abstract evolve the eyes, causing damage.