… chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for …
Explanatory notes
… chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for … They protect the sleepers and are fixed to them by cramps, bolts, coach screws, spikes or, in the case of steel, by welding. Rail clips are likewise used to fix flat‑bottomed rails to the …