… and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, …
Explanatory notes
… and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, … remain in that position. They are usually made up from bars, rods, tubes, angles, shapes, sections, sheets, plates, … masts, gangways, rails, bulkheads, etc., for ships; balconies and verandahs; shutters, gates, sliding doors; …