Explanatory notes
… be square or rounded, the limbs equal or unequal, and the edges may or may not be “bulbed” (bulb angles or … as coating, plating or cladding ‑ see Part IV (C) of the General Explanatory Note to this Chapter, provided they do … beams, pillars and joists) are used in the construction of bridges, buildings, ships, etc.; lighter products are used …