Explanatory notes
… link chain (e.g., roller chain, inverted tooth (“silent”) chain and Galle chain), non‑articulated link chain … automobile skid chains. (3) Mattress chains, chains for sink stoppers, lavatory cisterns, etc. All these chains may … Iron or steel parts of chains specialised as such e.g., side links, rollers, spindles, etc., for articulated chain, …