The entire belt may be tensioned by a single idler pulley. They were then hydraulically tensioned and the holes filled with grout. As the mast is being raised, it must be tensioned laterally. In high quality cloth, the strands or scrim are tensioned during the lamination process. Membrane structures are spatial structures made out of tensioned membranes. Gazebos can be tent-style structures of poles covered by tensioned fabric. A rolamite is a mechanical device, consisting of a roller suspended within a tensioned band. The poles are temporarily tensioned and the distance between the ends measured. The gauge consists of a vibrating, tensioned wire. The track ropes combined are tensioned at over . It has fully automatically tensioned drive belts and adaptive Siemens EMS2000 engine management. Hz if the woofer membranes were excessively tensioned in production or due to age. If no force acts normal to a tensioned surface, the surface must remain flat. The fabric tape allowed for complicated movement, and also naturally post tensioned the structure. Both mobile and permanently installed pull-down screens may be of tensioned or not tensioned variety.