Explanatory notes
… hard, greyish‑white metal melting at 1453 °C. It is ferro‑magnetic, malleable, ductile, strong and resistant to … plant. In addition nickel and nickel alloys are used for coinage. * * * The principal nickel alloys which may fall … materials used in submarine cables, induction coil cores, magnetic shielding, etc., because of their high magnetic …