code,definition
A,"Industrial (production and maintenance - P & M) and all employee units with customary exclusions, e.g., office clerical employees, guards, supervisors"
C,Craft - one or more
D,Departmental - one or more
G,Guards
P,Professional and/or Technical
R,Combination of codes P and W
T,"Truck Drivers, etc."
W,"Office, clerical and other white collar"
Z,All others not classified