| File name | File size ( Kb ) | File type | Download |
| Manhole - 1 | 462.85 | English
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| Manhole - 2 | 434.18 | English
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| Manhole - 3 | 417.79 | English
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| Manhole - 4 | 339.97 | English
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| Manhole - 5 | 438.27 | English
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| Manhole - 6 | 339.97 | English
|
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| Manhole - 7 | 438.27 | English
|
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| Manhole - 8 | 454.66 | English
|
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| Manhole - 9 | 425.98 | English
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