The episode has a customer service staff get training about check-in learn the basics about dangerous goods after that to talk to passengers or other matters, it is the experience we collect from real work experience.
Now a customer service staff have training on check-in to learn the basics about the dangerous goods or passengers with regard to various matters, it is an experience that we collect from the experience of real work.
When a customer service staff has training about check-in learn the basics about dangerous goods then to talk to passengers or things, an experience that we collect from the experience of doing real work.