I was librarian in my vocational high school. And I'm Sie Circulation. The Task was about record book from buying until launching. Such as registering, labeling, made barcode and envelope the book. we do so voluntarily and aren't paid. But we get benefit from it. We can borrow many book with unspecified period of time. Different from other student who aren't librarian. And after 2 years become librarian, We get this certificate. And I'm the first who design the certificate :">