Study on the system participants will see faces clearly school boards and teacher because it is a compressed Video. From the fresh study in special education institutions. The study stressed.
Learning in the system, the students will see both the instructor and the board clearly teaches that the compression Video. Fresh from the study at the Institute of Teaching. Do not stress about
Learning in the system, students will see both teaching and teaching board clearly because it is compressed Video. From around fresh students at the Institute to tutor, school and no stress.