nuclear symbol on wood

Keywords:

active, alert, atom, atomic, attention, beware, black, caution, chemistry, contamination, danger, dangerous, disaster, energy, environment, hazard, wooden, planks, wall, scratched, old, industrial, industry, nuclear, pollution, power, radiation, radioactive, radioactivity, ray, reactor, risk, safety, science, sign, station, symbol, technology, texture, toxic, uranium, warning, waste, yellow,