| External section | Cross section |
| External section | Cross section |
WF |
|
| WF |
|
|
WF-PPH 5% |
|
| WF-PPR 5% |
|
|
WF-PPH 10% |
|
| WF-PPR 10% |
|
|
WF-PPH 15% |
|
| WF-PPR 15% |
|
|
WF-PPH 20% |
|
| WF-PPR 20% |
|
|