… sheep or other animals); (b) natural fibres (cotton, silk, linen); (c) synthetic polymer fibres, such as … according to their nature, e.g., catgut ( heading 42.06 ), silkworm gut, textile yarns, etc. ( Section XI ), metal wire …
… designed for telecommunications (for example, cross‑talk meters, gain measuring instruments, distortion factor … these give a direct indication of the fading. (v) Cross‑talk meters , used on telephone circuits for measuring …