1.Food Preparation/Service Workers
 

 2.Scientists
 

3.Sales Representatives
 

 4.Marketing/Public Relations Professionals
 

 5.Nurses (Nurse, Nurse Practitioner or Physician Assistant)
 

6.Editors/Writers/Media Workers
 

 7.Business Executives

  8.Teachers/Instructors (K-12)
 

9.Engineering Technicians/Support
 

 10.IT Managers/Network Administrators

I guess radio DJ's fall under #6...I'd die without any coffee at work!