In chemistry, a crucible is a kind of laboratory apparatus[?] that is usually a cup, made of porcelain or an inert metal, used to heat chemical compounds to very high temperatures. One of the earliest uses of platinum was as a material in crucibles, and metals such as nickel and zirconium are used as crucible materials these days.
... more races. 1.88% of the population are Hispanic or Latino of any race.
There are 509 households out of which 41.5% have children under the age of 18 living with them, ...