Symbol |
|
Meaning of symbol |
![](./images/icon/035.png) |
|
Rectangular manhole (inner dimensions 90 cm × 60 cm) |
![](./images/icon/036.png) |
|
Circular manhole (inner diameter 90 cm) |
![](./images/icon/037.png) |
|
Oval shape manhole (inner diameter 120 cm × 90 cm) |
![](./images/icon/038.png) |
|
Circular manhole (inner diameter 120 cm) |
![](./images/icon/039.png) |
|
Circular manhole (inner diameter 150 cm) |
![](./images/icon/040.png) |
|
Circular manhole (inner diameter 180 cm) |
![](./images/icon/041.png) |
|
Circular manhole (inner diameter 200 cm) |
![](./images/icon/042.png) |
|
Circular manhole (inner diameter 220 cm) |
![](./images/icon/043.png) |
|
Tokyo-original assembled rectangular manhole (inner dimensions 90 cm × 60 cm) |
![](./images/icon/044.png) |
|
Tokyo-original assembled rectangular manhole (inner dimensions 120 cm × 60 cm) |
![](./images/icon/045.png) |
|
Tokyo-original assembled rectangular manhole (inner dimensions 120 cm × 80 cm) |
![](./images/icon/046.png) |
|
Tokyo-original assembled rectangular manhole (inner dimensions 120 cm × 90 cm) |
![](./images/icon/047.png) |
|
Assembled circular manhole (inner diameter 90 cm) |
![](./images/icon/048.png) |
|
Assembled circular manhole (inner diameter 120 cm) |
![](./images/icon/049.png) |
|
Assembled circular manhole (inner diameter 150 cm) |
![](./images/icon/050.png) |
|
Assembled circular manhole (inner diameter 180 cm) |
![](./images/icon/051.png) |
|
Assembled circular manhole (inner diameter 200 cm) |
![](./images/icon/052.png) |
|
Assembled circular manhole (inner diameter 220 cm) |