China is the world’s largest producer of Aluminum smelter. Aluminium smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Héroult process.
Heifer – a cow that has not borne a calf, or has borne only one calf. In North America, a typical farm has about 100 milk cows and as many young female stock called heifers. The heifers are raised as replacement cows.
EXAMIANS