01 / 13Practical Engineering≈ perkiraan levelA22:06–2:12 .
02 / 13TED-Ed≈ perkiraan levelB21:21–1:29
, , .
03 / 13Practical Engineering≈ perkiraan levelC18:24–8:31
, .
04 / 13Practical Engineering≈ perkiraan levelB110:28–10:33
.
05 / 13Practical Engineering≈ perkiraan levelB29:38–9:47
, .
06 / 13Practical Engineering≈ perkiraan levelB12:38–2:42
, .
07 / 13Practical Engineering≈ perkiraan levelC17:53–8:00
, .
08 / 13CrashCourse≈ perkiraan levelC17:23–7:33
, , ’s .
09 / 13Practical Engineering≈ perkiraan levelB22:31–2:35
, .
10 / 13Mark Rober≈ perkiraan levelB24:13–4:17
, - .
11 / 13TED≈ perkiraan levelC18:00–8:10
, , , .
12 / 13Mark Rober≈ perkiraan levelB20:40–0:44
, .
13 / 13Practical Engineering≈ perkiraan levelC12:47–2:58
, , .