1. A method of monitoring components in a screening installation which includes a conveyor for screened material, the method comprising:a) incorporating wirelessly readable identification tags into the monitored components;
b) maintaining a computer database in relation to the monitored components and their associated tags;
c) installing a wireless tag detection station adjacent or around said conveyor, said station comprising an array of passive RFID antennas, positioned to monitor an entire width of the conveyor;
d) regularly reading the conveyed material to detect tags on one or more of the monitored components which has become accidentally dislodged, and matching the detected information with said database to identify a respective installed position of the one or more dislodged monitored components within the screening installation;
e) communicating a warning that the one or more of the monitored components has been dislodged.