Don't forget all the little necessities like extra bulbs for projectors, laser pointers, batteries, overhead projectors with transparencies and markers, microphones in large rooms, and everything else we have already forgotten but that you are already thinking about.
School foundations and PTAs used to raise money for the extras - high-tech projectors and special field trips.
His secretary read the endless board papers aloud, extra lights and projectors were brought in and he taught himself to listen to a tape at two and a half times speed.
Despite little extra outlay for DLP-equipped projectors, schools do however have to consider other costs.
In what seems a sensible trade-off, the Vidikron projector sacrifices an extra measure of brightness in order to gain warmer, more natural colors.
From board retreats to spiritual retreats to couples retreats and more, a rental projector adds that little extra "something" that makes the event even more special.
But a computer chip and electronics, developed in the US by Texas Instruments and now in place at no extra cost in a range of conventional classroom projectors, are opening up 3D to students and teachers.
There is usually no extra fee for use of the Wi-Fi network, projectors and microphones.
Legitimate charges for extras would be for something like video screens, spotlight, projectors, karaoke etc... Make sure your DJ does not use banners, or advertising of any kind at your wedding.
Turn off the projectors as they do not illuminate well and take up extra board space.
