… Railway or tramway track construction material of iron or steel, the following : rails, check-rails and rack rails, …
Explanatory notes
… ‑ Railway or tramway track construction material of iron or steel, the following : rails, check‑rails and rack rails, … flat‑bottomed) rails, grooved tram rails, slot rails for electric tramways, and conductor‑rails, etc. This … they may also be assembled by welding or riveting several elements together. They normally have a cross‑section in the …