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Wednesday, February 23, 2011

Lead the way.

lead is a heavy, bluish-gray element,and was one of the first metals used by humans. compared to other metals lead has a low melting point,and can be shaped easily  ,because of these properties, people have used lead for thousands of years in coins, vessels,pottery and projectiles.Today the main use of lead is in the lead-acid battery, which provides power for the electrical systems of automobiles, airplanes, and many other vehicles.in the past in the past lead was widely used in paints and gasoline. Because of the health problems it was making, people were getting concerned about the use of lead.The human body can absorb lead, resulting in lead poisoning under certain circumstances.
Raw lead.
Australia leads in lead mining, China is 2nd,U.S.A is in 3rd,Peru is 4th,
Canada is 5th,Mexico is 6th, Sweden is 7th, Morocco is 8th,North Korea
is 9th and Poland is 10th.
 
 








                                                                                                    

2 comments:

Anonymous said...

Awesome title!
--dad

smiliesar said...

lead is scary, especially in paint...BUT amazing too with battery power.