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Oscillating iodate duration 2 minutes 40 seconds Oscillating iodate Oscillating iodate	Oscillating iodate reaction color solution things oscillating moment stirrer beaker effect materials starting reactions component awhile orange components mix gauss bit control From Linda Davis 8 plays 0
002 Counting Technology duration 23 minutes 21 seconds 002 Counting Technology 002 Counting Technology	002 Counting Technology times positions gas choices factorial position truth outcomes apple orange apples step permutation guys factorials seats restriction class guess rule From Mu He 374 plays 0