You are presented with the question "What can be done to make hair dryers safer?" and the following answer choices: 
- remove plastic covering
 - immerse in water
 - heating liquids
 - Add shock protection
 - converting electricity to heat
 - Electric generators
 - a hydraulic system
 - increase current

Now knowing that electrocution causes harm to an organism and hair dryers without built-in shock protection devices in the plug can cause electrocution, choose the best answer.


 

    Add shock protection     