Question

21. Why do the construction companies provide more demand for aluminium ? 1marks answer​

Answer 1

Answer:

The production of secondary (recycled) aluminum saves more than 90 percent of the energy costs associated with primary production. Recycling produces high-value economic impact. The production of secondary (recycled) aluminum saves more than 90 percent of the energy costs associated with primary production.

Answer 2

Explanation:

The extraction process is relatively expensive, aluminium was generally not used in construction until the early-20th century. ... Today, aluminium is the second most used metal in buildings after steel. Because of its ductility, aluminium can be formed into many shapes and profiles.