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scan [sk&n]

 The word 'scan' has multiple meanings depending on the context. It can refer to a quick visual examination or a systematic search for information. Here are some examples of using 'scan' in sentences:

1. She scanned the room for her lost keys.
2. The security guard scanned the bags to ensure nothing dangerous was inside.
3. He quickly scanned through the document to find the relevant information.
4. The doctor recommended a brain scan to diagnose the problem.
5. The barcode scanner scanned the product to determine its price.		  

Explain the word "scan". Give some examples of using the word "scan" in sentences.