Umubiri wa valve wemeje imiringa yo hejuru yo guhimba.


| Gusaba | Ubudozi bwo gushyushya sisitemu |
| Aho inkomoko | Zhejiang, Ubushinwa |
| Ubwoko | Ibice byo gushyushya hasi |
| Guhuza | Umugabo |
| Imikoreshereze | Inzu yo mu rugo murugo |
| Ijambo ryibanze | Valve yo mu kirere |
Umubiri wa valve wemeje imiringa yo hejuru yo guhimba.
Irinde kumeneka, ubusobanuro bukomeye hamwe nubuhanga bwikoranabuhanga budasanzwe.