Sign with a radioactivity symbol, nuclear power

allowed ban bans composing composings compositing composition compositions danger dangerous dangerously dangers endangering forbidden harmful hazardous health health endangering icon icons image images montage montages nobody not nuclear photo photograph photographs photomontage photomontages photos photoshopped photoshopping pictogram pictograms picture pictures posing power prohibited prohibition prohibitions radioactive radioactivity risk shot shots sign sign signboard signboards signs symbol symbolic to with