Aluminium is a good electrical conductor and is often used in electrical transmission lines. It is cheaper than copper and weight for weight is almost twice as good a conductor. When evaporated in a vacuum, aluminium forms a highly reflective coating for both light and heat.
Nelson Mandela had a large family and had 13 brothers and sisters.  Of all of his siblings, he had one full brother and one half  brother.
Did Nelson Mandela have any children with Winnie Madikizela - Mandela? Mandela married his second wife, Winnie Madikizela, in 1958. They had two daughters, Zeni and Zindzi.   They have 2 children together namely - Zindzi and Zenani.