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.
Package handlers do not typically need much formal education, although the ability to read and write is important. Handlers perform physical labor and must be able to comfortably lift packages that may weigh as much as 50 to 100 pounds. They also typically need to lift from a variety of lifting positions.