I am surprised to read of accidents with traversers and tables. After all, they are hardly new or high-tech. I doubt the design as at fault, as it is such a basic device. One can only assume "operator fault". Unless someone has more information. Alan MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.