A key locator includes first and second members. The train load measuring system includes a speedacceleration measuring unit, a position measuring unit, a railway-line state receiving unit, a drivingbraking force receiving unit and a calculate unit. For each new option or potential planning action the Planner invokes the Analysis component. The decoding node detects that the reference packet identified in the encoded packet is missing from the packet cache of the decoding node. The connection is further reinforced by way of welding. The first portion is slidable relative to the second portion along a first axis.