01 / 27Practical Engineering≈ approximate level B110:11–10:17 .
02 / 27Practical Engineering≈ approximate level B24:57–5:03
.
03 / 27Practical Engineering≈ approximate level B18:37–8:43
, - .
04 / 27Practical Engineering≈ approximate level B12:29–2:37
, .
05 / 27Practical Engineering≈ approximate level B18:40–8:46
.
06 / 27Practical Engineering≈ approximate level C15:38–5:44
, .
07 / 27Practical Engineering≈ approximate level B24:40–4:50
“” .
08 / 27Practical Engineering≈ approximate level B25:40–5:46
, .
09 / 27Practical Engineering≈ approximate level B27:33–7:41
, , .
10 / 27Practical Engineering≈ approximate level B24:15–4:20
.
11 / 27Practical Engineering≈ approximate level B24:10–4:16
.
12 / 27Practical Engineering≈ approximate level B14:57–5:01
, ’s .
13 / 27Practical Engineering≈ approximate level A20:21–0:27
's , , .
14 / 27Practical Engineering≈ approximate level B20:08–0:18
, , “” .
15 / 27Practical Engineering≈ approximate level B20:00–0:06
, .
16 / 27Practical Engineering≈ approximate level B28:43–8:54
, ’s , .
17 / 27Practical Engineering≈ approximate level C19:53–9:59
.
18 / 27Practical Engineering≈ approximate level C18:58–9:08
, ’s .
19 / 27Mark Rober≈ approximate level B10:06–0:12
.
20 / 27Practical Engineering≈ approximate level C12:30–2:40
, , .
21 / 27Practical Engineering≈ approximate level C19:58–10:08
, .
22 / 27Practical Engineering≈ approximate level C16:47–6:59
, , , .
23 / 27Practical Engineering≈ approximate level B21:09–1:17
, : .
24 / 27Practical Engineering≈ approximate level C16:40–6:51
, , .
25 / 27Practical Engineering≈ approximate level C14:05–4:18
’s .
26 / 27Practical Engineering≈ approximate level C14:53–5:02
, , , ’s ?
27 / 27Practical Engineering≈ approximate level C111:43–11:56
, , : .