How do metal detectors make save lives? Explain your answer using the text. How do metal detectors make save lives? Explain your answer using the text.

Metal detectors save lives because it detects anything metal and that can be a gun or a harmful weapon now after detecting it ,it could have saved life’s of many people that might have been in danger using it in schools would also prevent any school shootings happening almost every day

  i think colonial period |-/