Interior electrician, you play with electricity.
The safest MOS in the Army would be one dealing with the Army Band, Human Resources, or finance. These include the MOS - 42F, 42R9B, 42 S, or 44C.
MOS Military Occupational Specialty
Army 82nd airbone is a MOS. This is a job in the Army.
12r + 4 = 112, 12r = 108, r = 9
12r - 20
Mail clerk is a supplemental duty - it doesn't carry its own MOS.
20
91W
MOS, military occupational specialty
Anywhere, 35F Intelligence Analyst is a MOS that can be stationed at any Army Base.
The Army Medical Service Corps Military Occupational Specialty (MOS) begins with 91. A Health Care Specialist is 91W. See related links for list of Army medical MOSs.
It is 12r - 20 or 4*(3r - 5)