In addition to working in warehouses, I spent several years employed as a Diesel Mechanic versed in troubleshooting, diagnosis, fabrication, and repair.
I am a self taught in electronics. I spent many years while at home raising my children building computers from scratch and repairing computers.
I have been a HAM Radio Operator and licensed at the level of Expert. The exam for this license is extremely rigorous and requires extensive knowledge in electrical systems.