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.
An optical technician, commonly referred to as an ophthalmic laboratory technician, is an eye wear specialist whose job it is to make prescription eyeglasses and contact lenses. While many steps in the production process have been automated, there are some tasks that still require the expertise of a technician.