airshaft

1. A vertical (or near vertical) opening (shaft) running from a courtyard to the sky, thus allowing air to circulate to high-rise apartments or offices.

   Lüftungsschacht, Lüftungschacht, Abzugsschacht

   вентиляцио́нная ша́хтаventiljaciónnaja šáxta

2. A passage supplying ventilation into a mine tunnel or other underground facility.

3. A device used for handling winding reels in the processing of web-fed materials, such as in continuous-process printing presses.

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• air-shaftalternative