Explanatory notes
… covers asbestos fibres further worked than beaten, cleaned, sorted or graded (e.g., carded fibres and dyed fibres). They … paragraph and often also with natural resins, plastics, sodium silicate, asphalt or rubber, etc. These articles may … with mica eyepieces, helmets, boots with asbestos uppers or soles); mattresses; firemen’s shields, fire-extinguishing …
