… plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel. …
Explanatory notes
… plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel (+). … include clamps and other devices specially designed for assembling metal structural elements of round cross‑section … equipment; sluice‑gates, piers, jetties and marine moles; lighthouse superstructures; masts, gangways, rails, …