Mettur is known for its huge dam, power, chemicals and aluminium.

Note that for aluminium to be sold, bauxite must be imported.

The element that most limited the growth rate was chlorine, needed to process regolith for aluminium.

It is also used as a flux for aluminium.

Polythene seems to be the most durable roller material with different harder grades available for aluminium.

The symbol for aluminium is Al, and its atomic number is 13.

Therefore the limit for aluminium may become adjusted to accommodate for this.

For aluminium, this is the only production process employed.

It does however form alloys with, for example, aluminium and gold.

Some examples are the Hall-Héroult process used for aluminium, or the production of hydrogen from water.