Similar Mechanisms
- In cold climates, two doors arranged in an airlock configuration are common in building entrances. While not airtight, the double doors minimize the loss of heated air from the building. A similar arrangement is common in hot climates, where it is used to keep interior spaces cool. Revolving doors may be used for the same purpose.
- Some jewelry stores and banks have airlock-like doors to slow the escape of thieves.
- Butterfly farms and aviaries usually have an airlock-like entrance to prevent the exit of inhabitants and entrance of predatory species.
Read more about this topic: Airlock
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—Charles Horton Cooley (1864–1929)
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