A revolving door is a type of entrance that consists of several panels or wings that rotate around a central axis. This design allows for simultaneous entry and exit, making it efficient for high-traffic areas such as shopping malls, hotels, and office buildings. Revolving doors help to reduce drafts and maintain indoor temperature by minimizing the amount of air that escapes when people enter or exit. They can be made from materials like glass and metal, providing a modern and elegant appearance. Additionally, revolving doors enhance security and can be equipped with automatic controls for ease of use.

Định nghĩa và ý nghĩa của "revolving door"trong tiếng Anh

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