I. 적용1. Lift2. Safety components - Devices for locking landing doors - Devices to prevent falls to prevent the car from falling or unchecked upward movements. - Overspeed limitation devices - (a) Energy-accumulating shock absorbers : - either non-linear - or with damping of the return movement - (b) Energy-dissipating shock absorbers - Safety devices fitted to jacks of hydraulic power cirsuits w..