Explain common preventive-maintenance techniques for laptops and portable devices.

Explanation should include identifying appropriate cleaning procedures and describing optimal operating environments. 

Process/Skill Questions: 

• What preventive maintenance should be run on laptops but does not apply to desktops?
• What should be done more often to keep data safe on laptops used in many areas of the country (e.g., office environments, hotspots, airports, homes)? Why?
• What is the best way to clean a laptop display, keyboard, and other exterior parts?