Explanatory notes
… plaster, siliceous fossil earths, slag, aluminium oxide, glass fibres, cork, etc., used as packing for … frames, discs, rings, etc. In the manufacture of yarn, single or multiple, the asbestos fibres are beaten, carded … workers, etc. (e.g., jackets, trousers, aprons, sleeves, gloves, mitts, gaiters, hoods and masks usually with mica …