Training for customer services
ground staff training is generally a 2 week course prior to taking up a customer service roll with an airline. not sure about a handling agent. the course will be paid for by the airline with accommodation provided. you will learn all about dangerous goods, health and safety, fire training, emergency procedures, airline and airport codes, passports and visas, use of check in and self check in equipment and such. the list goes on. the courses are fun especially making your first boarding announcement !!