… and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), …
Explanatory notes
… and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross‑ties), … ‑ Rails 7302.30 ‑ Switch blades, crossing frogs, point rods and other crossing pieces 7302.40 ‑ Fish‑plates and … long parallel bars connected by closely spaced transverse rods; the spaces between these rods are designed to engage …