classes:  lecturer. need to review the projectors in the room wzjwz40 is very dim compared to the room wzjwz41, when the demo does not see anything!  curriculum. need to review the projectors in the room wzjwz40 is very dim compared to the room wzjwz41, when the demo does not see anything!  facility. need to review the projectors in the room wzjwz40 is very dim compared to the room wzjwz41, when the demo does not see anything!  general. need to review the projectors in the room wzjwz40 is very dim compared to the room wzjwz41, when the demo does not see anything!