Question

*Which of the following devices is used in very important places?*

1️⃣ Compass
2️⃣ Magnet
3️⃣ Metal Detector
4️⃣ None of these​

Answer 1

Answer:

Which of the following devices is used in very important places?

3️⃣ Metal Detector

Explanation:

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Answer 2

Metal detectors are used in important places.

• Security has gotten progressively significant at occasions and around explicit areas.
• Metal finders have a significant influence in guaranteeing individuals are protected by identifying hid weapons like firearms or blades
• The areas where detectors are generally used are airports, public structures, civil structures, sports grounds and various important buildings.