Thallium (Tl) belongs to the Group 3 - Boron Family of elements. In the new IUPAC grouping, The Boron family is now Group 13.
Page updated 2/25/2016. Carrier, clerk, mail handlers, and distribution associates are required to take and pass the 473 Postal Exam. Other applicants including motor vehicle operators, mechanic, clerical, electronic technician, machinist, and trades must also pass a written test.
Seasonal or temporary postal assignments can lead to more permanent positions with the United States Postal Service. If you are savvy in your US postal job hunt and don't want to compete with the throng who will take the postal exam 473/473-e postal exam, you can first begin as a temporary employee.o find out if there are openings in your area, you need to go to your local post office or any post office location within reasonable distance from where you live. Talk to the postmaster and inquire for TRC positions. If they don't have an opening, ask to be referred to a USPS location nearby looking for such.