classes:  lecturer. Learning content is focused on practice, application to the product that the form of examination is very difficult to evaluate accurately.  curriculum. Learning content is focused on practice, application to the product that the form of examination is very difficult to evaluate accurately.  facility. Learning content is focused on practice, application to the product that the form of examination is very difficult to evaluate accurately.  general. Learning content is focused on practice, application to the product that the form of examination is very difficult to evaluate accurately.