However, the size of the projector screen in the ด๊ Lecture Hall not too much, which can make training seats are rear room overlooking the presentation is not clear.
However, a large projector screen in the lecture room is not very large, which may cause the trainee sat in the back room to see the information presented is not clear.
How does nto see, the size of the projector screen lecture not very large, which may make the training in the back room overlooking the presentation data is unclear.