I recall that at Comalco start up of the smelter there were over 2500 employees.
From the nbr.co.nz
It was a political statement against the smelter, it was painted from the heart.
From the nzherald.co.nz
It is in contract negotiations with its major customer, the Tiwai Point smelter.
From the nzherald.co.nz
The Tiwai Pt smelter uses about 14 per cent of the country's electricity output.
From the nzherald.co.nz
A ship docked at Tiwai Point Aluminium smelter on a cold foggy morning in Bluff.
From the nzherald.co.nz
A ship docked at the Tiwai Point aluminium smelter, which is now on the market.
From the nzherald.co.nz
Alcoa is considering whether to put an aluminium smelter in southern Greenland.
From the economist.com
It will also take a $170 million loss on its Altonorte copper smelter in Chile.
From the bloomberg.com
The Wugang manganese smelter is in one of China's major iron and steel centers.
From the nytimes.com
More examples
An industrial plant for smelting
Smelting is a form of extractive metallurgy; its main use is to produce a metal from its ore. This includes iron extraction (for the production of steel) from iron ore, and copper extraction and other base metals from their ores. ...
A machine used to smelt metal; A place where smelting is done; A person employed to do smelting
(Smelting) The chemical reduction of a metal from its ore
(Smelting) Extracting metals from the ore concentrate by pyrometallurgical processes.
(Smelting) The process of extracting crude metal from its ore or concentrate by fusion, before being sent to the refinery for final processing.
(SMELTING) The process of removing metals from ore compounds.
(SMELTING) The process of melting ores or concentrates to separate out the metal content from impurities.
(Smelting) A roasting process to obtain metals from their ores; sulphuric acid is obtained from the process if sulphur dioxide is removed.