The term airlock refers to several entirely different concepts depending on the context, ranging from physical chambers and engineering phenomena to cybersecurity software. 🌐 1. Physical Chambers (Aerospace & Cleanrooms)
In physical environments, an airlock is a sealed chamber with two airtight, interlocking doors. Because the doors cannot be opened at the same time, it allows people or materials to pass between two environments with different atmospheric pressures, gases, or cleanliness levels without mixing them.
Space and Submarines: Astronauts use airlocks to transition from a pressurized spacecraft to the vacuum of space without venting all the ship’s oxygen. Submarines use floodable airlocks to deploy divers underwater.
Cleanrooms and Bunkers: Laboratories, pharmaceutical plants, and microchip factories use airlocks to keep dust out of sterile areas. Military bunkers use them to isolate chemical or nuclear fallout. 🚰 2. Mechanical Engineering (Plumbing & Pipelines)
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