Automobile Engineering in ME
The painting of automobiles is done to

Improve its external appearance
Retain the characteristics of steel for long
Prevent rust from growing on the body
All of these

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Automobile Engineering in ME
The ball joints are used on the tie rod ends, because they

Improve the force transmission speed
Reduce the amount of sliding resistance
Reduce the amount of noise generated
Can deal with movement of the suspension both vertically and in other directions

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