6230G2 --> https://www.google.com/search?q=TXERNOBIL,+NUVOL+RADIOACTIVITAT&safe=strict&client=firefox-b-e&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiUgbfzuZTnAhVRqxoKHYoWCTwQ_AUoAXoECAwQAw&biw=1920&bih=930#imgdii=ozRozF4PBq2SWM:&imgrc=fKHGA61iD90ZHM: