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Why Is Oil the World's Main Source of Energy

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Why is oil the world's main source of energy? 


Definitions:

Kingpin Bushings

Components that provide a bearing surface for the kingpin in truck and trailer steering mechanisms, allowing for smooth pivoting.

Broached

A machining process that uses a toothed tool to remove material, typically used for making unique shapes or holes in metal.

Steering Defects

Flaws or failures in the steering mechanism of a vehicle, which can affect handling and safety, often requiring immediate correction or repair.

OOS

OOS stands for Out of Service, a designation that indicates a vehicle or driver has been found to have violations that prevent them from operating until corrected.

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