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In older or much heavier vehicles, such as trucks and industrial vehicles, gear boxes are often designed to handle greater torque and use more durability. These systems rely on solid mechanical links and components that are resistant to wear and damage under high stress and anxiety. The worm and field or worm and roller kinds are usually utilized in such vehicles due to the fact that they can stand up to higher tons. Meanwhile, smaller sized passenger cars often tend to make use of rack and pinion systems as a result