Seems to be a common thing. One of my favourites from The Canadian Customs Tariff Schedule, Ch. 71 § 4.B: > The expression "platinum" means platinum, iridium,

Seems to be a common thing. One of my favourites from The Canadian Customs Tariff Schedule, Ch. 71 § 4.B: > The expression "platinum" means platinum, iridium, osmium, palladium, rhodium and ruthenium