... with joint, applied in span within 10m and height not above 5m / flexible with sleeve block, applied ... light2. .Giving the truss system you wanna, length, width, height, if give the weight you hang is better ... in load-bearing of lamp and span in length. The Bigger, the better. Depends on the ... the hoist to up the beam to the height you wannaPictures of the procedure*Application:Performance, outdoor ...