air stack

air stack

[′er ‚stak]
(aerospace engineering)
A group of planes flying at prescribed heights while waiting to land at an airport.
(mining engineering)
A chimney for ventilating a coal mine.
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References in periodicals archive ?
The ZRT (Building 805) is compactly organized on an approximately square base and has a wide towering exhaust air stack.
The Japan Atomic Energy Agency will confirm the security of the facility in Tsuruga, Fukui Prefecture, as a whole by the end of this month while completing earthquake reinforcement of the reactor's air stack by the end of November, according to the sources.
A manufacturer that produces carbon and graphite materials for military and space programs received nuisance citations from the South Coast Air Quality Management District after neighboring business owners said sickening fumes were coming from the company's air stack.
Several business owners said green and yellow substances came out of the Polycarbon air stack.
The Sudanese forces use the air stacks to prevent the movement of hostile troops abut also to prepare for ground attacks.
I knew about environmental engineering, but I didn't want to clean air stacks in factories or clean up landfills.
Before the 2 May decisions of the UN Security Council demanding the two countries to stop ground and air stacks, Sudanese air force used to carry out attacks inside the South Sudanese territory saying it targets camps of Darfur rebels.