This unit provides support services of teaching-aids in all large lecture halls of the Faculty of Science. These devices include computers, microphone and loudspeaker sets, overhead transparencies, as well as multimedia projectors. The most recent additions to its high-tech equipment are two digital printing machines for high-quality colored or black and white multicopied prints, and the complete printing and binding of hard and soft cover books. This unit also offers light and sound services, complete photography and photo processing, video production, regular television transmissions, and graphic art design to students and staff, as well as to members of the community.