お・か・し

O・Ka・Shi
[tn]A Japanese mnemonics of what not to do when evacuating: Osanai (おさない; Do not push [other people]), Kakenai (かけない; Do not run), Shaberanai (しゃべらない; Do not talk [and concentrate on evacuation])
September 1 is "Disaster Prevention Day":https://en.wikipedia.org/wiki/Disaster_Prevention_Day in Japan.[/tn]