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| | Auto Companies and Services |
 | | Suspension systems, which include springs and shock absorbers, cushion the ride and help protect the vehicle from being damaged by bumps, heavy loads, and other stresses. |
 | | Wheels and tires support the vehicle on the roadway and, when rotated by powered axles, propel the vehicle forward or backward. |
 | | Steering and braking systems provide control over direction and speed. |
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