Explanatory notes
… tubes and pipes on walls, clamping or tightening bands or collars (hose clips) used for clamping flexible tubing or … therefore includes flat flanges and flanges with forged collars, elbows and bends and return bends, reducers, tees, … for assembling parts of structures ( heading 73.08 ). (b) Bolts, nuts, screws, etc., suitable for use in the assembly …