01 / 15Practical Engineering≈ approximate level C15:38–5:42 .
02 / 15Practical Engineering≈ approximate level C11:15–1:22
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03 / 15Practical Engineering≈ approximate level C12:38–2:44
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04 / 15The Economist≈ approximate level C10:30–0:37
.
05 / 15Practical Engineering≈ approximate level C14:33–4:40
, .
06 / 15Practical Engineering≈ approximate level C11:48–1:57
, , , .
07 / 15Practical Engineering≈ approximate level C14:32–4:42
, .
08 / 15MKBHD≈ approximate level C13:06–3:14
, , -.
09 / 15MKBHD≈ approximate level B27:57–8:08
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10 / 15Practical Engineering≈ approximate level B22:56–3:04
, ’s .
11 / 15CrashCourse≈ approximate level C19:27–9:36
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12 / 15Practical Engineering≈ approximate level C19:46–9:56
, .
13 / 15Practical Engineering≈ approximate level C14:23–4:33
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14 / 15MKBHD≈ approximate level C12:46–2:58
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15 / 15Mark Rober≈ approximate level C14:19–4:29
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