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.
Nelson Mandelaâs father died when he was nine years old. From that time on he was raised by Jongintaba, until he escaped from an arranged marriage he wanted no part of. From the time Mandela began his fight against and apartheid and the fight for equality, it would be apparent that a Nelson Mandela wife would need to be a strong and brave person in herself. Mandela has had three wives in his life, marrying the last on his 80th birthday.