What are the limitations of walk-through metal detectors?

What are the key advantages of using walk-through metal detectors in various security settings, and what are their limitations or challenges?
How do you assess the best placement and number of walk-through metal detectors in a specific environment to balance security effectiveness and operational efficiency?
What are the emerging technologies and trends in walk-through metal detectors that are making them more accurate and user-friendly?
Share your experiences or insights on the importance of staff training and public awareness when implementing walk-through metal detectors in public spaces.
In a rapidly evolving security landscape, how can walk-through metal detectors be integrated with other security measures to create a comprehensive security strategy?
Feel free to contribute your experiences, recommendations, and questions to this discussion, as we aim to collectively learn more about making informed decisions in the realm of Metal Detectors Walk Through.