| Name | Description |
|---|---|
| UsersGuide | User's Guide |
| Base | |
| Check | |
| Source_blue | Blue boundary |
| Source_yellow | Yellow boundary |
| Source_yellow_T | Yellow boundary |
| Sink_yellow | Yellow boundary |
| Valve_cutFlow | Valve || yellow | red |
| Pipe_yellow | Pipe || yellow | yellow |
| Pipe_blue | Pipe || blue | blue |
| Mixer1 | Split || yellow | red | yellow |
| Mixer2 | Split || yellow | blue | yellow |
| Split | Split || yellow | yellow | yellow |
| Consumer | Gas consumer || yellow |
| Adapter_H2toNG | AdapterH2NG || yellow | red |