01 / 10Kurzgesagt≈ approximate level C16:46–6:50 .
02 / 10Practical Engineering≈ approximate level C14:54–5:00
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04 / 10Practical Engineering≈ approximate level C18:39–8:45
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05 / 10Practical Engineering≈ approximate level B25:57–6:02
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06 / 10Practical Engineering≈ approximate level C15:51–5:57
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07 / 10Kurzgesagt≈ approximate level C16:59–7:05
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08 / 10Practical Engineering≈ approximate level C18:31–8:37
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09 / 10Practical Engineering≈ approximate level C18:28–8:33
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10 / 10TED-Ed≈ approximate level C14:14–4:23
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