01 / 17BBC Ideas≈ approximate level C10:33–0:39 , .
02 / 17The Daily Show≈ approximate level B20:08–0:11
.
03 / 17MKBHD≈ approximate level C19:53–9:56
.
04 / 17Mark Rober≈ approximate level C17:48–7:53
, , .
05 / 17Practical Engineering≈ approximate level C15:03–5:09
.
06 / 17Practical Engineering≈ approximate level C17:35–7:40
.
07 / 17Practical Engineering≈ approximate level C18:09–8:18
, , .
08 / 17Kurzgesagt≈ approximate level B20:56–1:01
, .
09 / 17Practical Engineering≈ approximate level C110:13–10:20
, .
10 / 17MKBHD≈ approximate level C11:38–1:40
, .
11 / 17TED-Ed≈ approximate level B16:03–6:06
.
12 / 17MKBHD≈ approximate level C19:57–10:02
, , 's .
13 / 17Practical Engineering≈ approximate level C15:26–5:31
.
14 / 17Practical Engineering≈ approximate level B24:59–5:03
, .
15 / 17Kurzgesagt≈ approximate level C10:11–0:24
, .
16 / 17The Daily Show≈ approximate level C17:17–7:27
, .
17 / 17Practical Engineering≈ approximate level C16:19–6:32
, .