Tag:man made=ventilation shaft

man_made=ventilation_shaft
Description
Vertical space allowing air exchange 
Group: Man made
Used on these elements
See also
Status: in use

A ventilation shaft is a vertical space in mines, tunnels, or buildings allowing stale air to leave the space underneath and/or fresh air to enter it. For ventilation shafts that are part of railway infrastructure, it might be adivsable to use railway=ventilation_shaft instead.

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