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Life application: Based on discharging the electrostatic Charges.

                    1- The Lightening rod:

  Importance: is a system used to protect
  installations and buildings from lightning strikes.
  Composition: Metal rod
  Lower end is fixed in a metal plate that is buried in
  the ground.
  Upper end: is pointed, through which, the electric charges that are
  accumulated on nearby clouds pass to the ground without causing any
  damage to the building.

       2- Fuel transport vehicles:

1. Fuel transport vehicles have metal
chain that dangle to touch the ground
G.R?
To discharge the electric charges
generated by the friction of the fuel with
the surface of the fuel tank, to prevent
fuel combustion.

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