Until youe inactive reserve obligation if fulfilled your not completely done with the military, your not in the military anymore either inactive reserves do not have IDs or access to post or the commessary. Your just a pool of civilians trained and ready to be involuntarily activated if we get into WWIII.
Electrical Technicians on the other hand, perform maintenance and repair on electronic devices. These devices include anything from a DVD player used to play movies to an MRI machine used by hospitals.
Electro-mechanical technicians combine knowledge of mechanical technology with knowledge of electrical and electronic circuits. They operate, test, and maintain unmanned, automated, robotic, or electromechanical equipment. Electro-mechanical technicians work closely with electrical and mechanical engineers. They work in many industrial environments, including energy, plastics, computer, and communications equipment manufacturing, and aerospace. They often work both at production sites and in offices.