Ventilation Shaft
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'Ventilation Shaft' - 1 News Result(s)
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Kolkata Metro Completes India's Deepest Ventilation Shaft
The country's deepest underground rail ventilation shaft equal to a 15-storey building and an important part of the city's East-West Metro line was completed on Monday, officials said.
'Ventilation Shaft' - 2 Video Result(s)
'Ventilation Shaft' - 1 News Result(s)
-
Kolkata Metro Completes India's Deepest Ventilation Shaft
The country's deepest underground rail ventilation shaft equal to a 15-storey building and an important part of the city's East-West Metro line was completed on Monday, officials said.
'Ventilation Shaft' - 2 Video Result(s)
