Which action can reduce the risk of ESD damage when computer equipment is being worked on?

Which action can reduce the risk of ESD damage when computer equipment is being worked on?

• working on a grounded antistatic mat
• keeping the computer plugged into a surge protector
• lowering the humidity level in the work area
• moving cordless phones away from the work area
  

  Answers Explanation & Hints: To help prevent ESD damage,  use grounded mats on work benches and grounded floor mats in work areas.  You can also use an antistatic wrist strap to prevent ESD strikes except when working inside power supplies or CRT monitors.