classes:  lecturer. More theory-oriented teaching, it is recommended to combine both theory and practical exercises in the same session so that students can easily grasp the material.  curriculum. More theory-oriented teaching, it is recommended to combine both theory and practical exercises in the same session so that students can easily grasp the material.  facility. More theory-oriented teaching, it is recommended to combine both theory and practical exercises in the same session so that students can easily grasp the material.  general. More theory-oriented teaching, it is recommended to combine both theory and practical exercises in the same session so that students can easily grasp the material.