aluminum truss, ADLER METAL WORKS, aluminum truss fabrication, lighting truss, custom truss fabrication, Canada, Ontario, Percy Adler, back AMW Track Truss (F Type) home A Low Profile Truss with Detachable Cart. Lamps mount on movable sprung Carriages that roll along tracks and pinned to desired position. We offer 8', 4', and 2' truss lengths along with End Gates and various links to allow different corner angles. TT 8' Truss on Cart TT8 Truss TT 8' cart up and folded down   TT4 truss     TT carriage with vibration isolation system  TT End Gate Virtually any angle can be made with different link lengths. (90 deg pictured below) top