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.
The evolution of Nelson Mandela â Nelson Mandela, the prisoner-turned-president who reconciled South Africa after the end of apartheid, died on December 5, 2013. He was 95. The evolution of Nelson Mandela â Mandela became president of the African National Congress Youth League in 1951.