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.
About the Course. The Food Safety Level 2 course will give food handlers the legally required certification to work in the catering sector. It is aimed at anyone who handles food in the catering or hospitality industry â including restaurants, hotels, bars, takeaways, kitchens, hospitals and schools.