… Railway or tramway track construction material of iron or steel, the following : rails, check-rails and rack rails, … crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, …
Explanatory notes
… ‑ Railway or tramway track construction material of iron or steel, the following : rails, check‑rails and rack rails, … crossing frogs, point rods and other crossing pieces, sleepers (cross‑ties), fish‑plates, chairs, chair wedges, … at crossings and curves. Rack rails are intended for steep gradient railways. One type consists of two long …