Tilting trains use accelerometers and gyroscopes to calculate the required tilt. Torsion is a normal response to tilting the head sideways. Tilting the head backwards can stop a sneeze. Ulnar adduction causes a tilting or dorsal shifting of the proximal row of carpal bones. Yaw is controlled by tilting its rotors in opposite directions. Tunnel boring machines are steered by hydraulic tilting of the cutter head. Players adjust his forward movement by tilting the controller. These movements include faulting, tilting, folding, and warping. Further, surveys indeed showed the center section had been subjected to severe tilting or twisting. A large forward tilting rectangular hood had a very large grille area. The trains themselves are designed for a speed of if the tilting mechanism is deactivated. ISO 7174 specifies stability of rocking and tilting chairs. The most common running mistakes are tilting the chin up and scrunching shoulders. The operation of tilting the furnace to pour molten steel is called "tapping". It resulted in the tilting of earth towards one direction.