"Duck and cover"... That's what a short film instructed us to do as grammar school kids.^^^^ 1 = AIR RAID drill preparing for an Atomic Bomb attack in a School during the cold war era. ....must be warmer weather since if it was cold out kids would have coats to put over their heads for radiation fallout.....also if inside a classroom then get under their desk.
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2 = Folgers in your cup.