Examlex
Identify the compound that forms stalactites and stalagmites.
Activate
To make active, cause to function or act.
Answering System
A programmed tool or system designed to provide answers to questions asked by users, usually based on a specific field of knowledge.
Lock Doors
The act of securing a door using a mechanical device or system, typically to prevent unauthorized entry.
Emergency Door
A safety exit designed for use in emergencies, such as fire or other situations requiring rapid evacuation.
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