The official categories of light technology users are as follows:
Health Technicians
Health Service, Other
Protective Service Workers
Auto Mechanics/Body Repair
Mechanics/Repair not Auto
Machinists
Carpenters
Construction Crafts
Electricians
Print Trades Crafts
Painters
Plant & Systems Operators
Other Craftsmen
Vehicle Operators
Construction Laborers
Cleaning Service Workers
Food Service Workers
Personal Service Workers
Farm Laborers
Other Service/Maintenance