Industry
Rare-earth metals scandium & yttrium whether/not intermixed/interalloyed, Alkali or alkaline-earth metals rare-earth metals scandium and yttrium whether or not intermixed or interalloyed mercury, Inorganic chemicals organic or inorganic compounds of precious metals of rare-earth metals of radioactive elements or of isotopes, CHEMICAL, Butene (butylene) & isomers thereof, Acyclic hydrocarbons, Organic chemicals