… rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, …
Explanatory notes
… rails, check‑rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, … rails, are fixed to track rails to prevent derailments at crossings and curves. Rack rails are intended for …