01 / 15Practical Engineering≈ approximate level C16:18–6:23 .
02 / 15Practical Engineering≈ approximate level B28:11–8:15
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03 / 15Practical Engineering≈ approximate level B25:03–5:10
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04 / 15Practical Engineering≈ approximate level B24:57–5:03
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05 / 15Kurzgesagt≈ approximate level C12:08–2:14
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06 / 15Practical Engineering≈ approximate level C12:35–2:42
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07 / 15Practical Engineering≈ approximate level B13:18–3:22
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08 / 15BBC Ideas≈ approximate level C10:50–0:55
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09 / 15Kurzgesagt≈ approximate level C18:18–8:29
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10 / 15Kurzgesagt≈ approximate level C17:53–7:57
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11 / 15Mark Rober≈ approximate level C14:05–4:12
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12 / 15Practical Engineering≈ approximate level C12:42–2:51
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13 / 15Kurzgesagt≈ approximate level C17:45–7:53
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14 / 15Practical Engineering≈ approximate level C14:22–4:35
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15 / 15Practical Engineering≈ approximate level C10:55–1:07
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