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.
Postal Exam 916. Exam 916 is used to fill custodial jobs. Postal policy states that this exam is restricted to preference eligible military veterans. If youâre a preference eligible military veteran, read on. If not, you might as well skip this exam and move on to others.