01 / 10Practical Engineering≈ approximate level B20:04–0:10 , , , .
02 / 10TED≈ approximate level A24:22–4:24
.
03 / 10TED≈ approximate level B24:34–4:43
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04 / 10Practical Engineering≈ approximate level B21:33–1:40
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05 / 10PBS NewsHour≈ approximate level B12:09–2:16
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06 / 10Practical Engineering≈ approximate level C11:15–1:25
.
07 / 10Practical Engineering≈ approximate level C110:35–10:41
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08 / 10Bon Appétit≈ approximate level C14:33–4:41
.
09 / 10Tom Scott≈ approximate level C13:31–3:40
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10 / 10Practical Engineering≈ approximate level C110:37–10:49
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