… (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or …
Explanatory notes
… (for example, bridges and bridge‑sections, lock‑gates, towers, lattice masts, roofs, roofing frame‑works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or …