classes:  lecturer. The theoretical teacher says the practical teacher is in charge, the practical teacher blames the department and the theoretical teacher has not coordinated well.  curriculum. The theoretical teacher says the practical teacher is in charge, the practical teacher blames the department and the theoretical teacher has not coordinated well.  facility. The theoretical teacher says the practical teacher is in charge, the practical teacher blames the department and the theoretical teacher has not coordinated well.  general. The theoretical teacher says the practical teacher is in charge, the practical teacher blames the department and the theoretical teacher has not coordinated well.