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.
All mail handlers must be at least 18 years old in most cities, although there are no specific educational requirements for the job. Applicants must take and pass Test 473 with a minimum score of 70, according to the United States Postal Service. This test measures candidates' aptitude for mail handler jobs.he top 10 percent made $54,030 or more per year, while the bottom 10 percent made $28,620 or less. Hawaii and Delaware paid the highest average salaries of $49,720 and $49,660, respectively. Those in Alaska averaged the least, at an average of $38,100 a year. Job prospects in the field are not strong.