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.
The course is required to cover 2 hours. We provide you ample time to complete your online course. No! There is no final exam. Once you have completed the 2 hours of course materials, you are able to instantly download your certificate of completion and food handler card.