|-
| Four-Port|| four-port || [[File:G63.png]]
|-
| Open End || open_end || [[File:G64.png]]
|-
| Bend || bend_junction || [[File:G65.png]]
|-
| Step Junction || step_junction || [[File:G66.png]]
|-
| Tee Junction || tee_junction || [[File:G67.png]]
|-
| Cross Junction || cross_junction || [[File:G68.png]]
|-
|}