The bends, tees, crosses, risers and reducers of wire mesh cable tray can be easily and quickly made live at the project by using a bolt cutter. Since the jaws of the bolt cutter drags a layer of zinc across the cut end and forms a protective layer. more description of how to fabricate a 200 mm cable tray bend in English: How to Fabricate a 200 mm Cable Tray Bend – Description Fabricating a cable tray bend is a process. Wire mesh cable trays are widely used because of their flexibility and easy on-site modification. Unlike perforated trays, bends can be created directly at site without expensive fittings. To remove the lip we can use a small hand grinder (B) or a file. Students trading aid on how best to put an internal 90 degrees bend in steel cable tray.