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2:05 2 Mga Speaker 1 Mga Kabanata 36 segment
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  1. 0:00
    Kabanata 1: Hello guys! 123s · Speaker 1

    Hello guys! Super excited to announce that Day Zero to Breakthrough is back for Season 2! This year the team is trying the pressure test again and this time they're trying to build a vaccine against the canine coronavirus. Very excited to s…