3. Аюулгүйн дэвшилтэт төхөөрөмж Emergency Stop Device / Fly Ball Governor / Three-Stage Telpic Buffer. THE EL guarantees optimum safety at high speeds, with its safety system consisting of the ceramic emergency stop device for high braking performance, the fly ball governor for accurate speed detection and stop at above 30% of the rated speed, and the 3 …