1 1 in 5 households and businesses in the U.S. receive their electricity from nuclear energy. 2  Nuclear power facilities can produce energy at a 91% efficiency rate 24/7, with virtually zero carbon emissions.  13% of the worldâs electricity comes from nuclear power plants that emit little to no greenhouse gases.
In general, all post office job applicants must be at least 18 (at time of appointment). There are no maximum age limits for USPS positions. There are a few exceptions that may apply: The minimum age may be lowered to 16 for high school graduates.
Men 18 through 25 years old can register by completing a form at the post office. Some high schools have a faculty or staff member who serves as a Selective Service Registrar. Most men turning 18 can also register by mail, if they receive a Selective Service form in the mail.