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
Famous quotes containing the word similar:
“The question that’s probably uppermost in the child’s mind is: Why do my parents want to have a baby? Don’t they love me? And if they love me, why do they need another one? Aren’t I enough? Imagine for a minute yourself in a similar situation. Your husband comes home and says: “Honey I love you so much, I’ve decided to go get another wife so I can have two.” How would you feel?”
—Lawrence Balter (20th century)
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