Environmental Control System (aircraft)
The environmental control system (ECS) of an aircraft provides air supply, thermal control and cabin pressurization for the crew and passengers. Avionics cooling, smoke detection, and fire suppression are also commonly considered part of an aircraft's environmental control system.
Read more about Environmental Control System (aircraft): Overview, Air Supply, Cold Air Unit (CAU), Ram Air System, Air Distribution, Pressurization, Health Concerns
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—John Dos Passos (1896–1970)
“The individual protests against the world, but he doesn’t get beyond protest, he is just a single protester. When he wants to be more than that, he has to counter power with power, he has to oppose the system with another system.”
—Friedrich Dürrenmatt (1921–1990)