It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
It is used in luminous paints.
  
It is also used in insecticides, hair dyes and as an anti-knocking additive for petrol. But all these are banned by the government as Lead metal is known for detrimental to health.
  
Industrial Uses
NA
  
Chemical Industry, Electrical Industry, Electronic Industry