Explanatory notes
… inks, sealing‑wax, binders for foundry cores, brewers’ pitch, etc., and as raw material for the preparation of the … disinfectants, etc. This group also includes hardened rosin which is obtained by treating rosin or resin acids with, for … green or brown oils) and have a smoky odour. They are chiefly used for the preparation of lubricants, cutting …