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Final answer:Step chocks are a toolcommonlyused to stabilize a vehicle's suspension and to prevent a vehicle from rolling. They are primarily used in the automotive and emergency services industries. They can occasionally be used to support the sill during a dash roll-up.Explanation:Step chocks are a specialized toolcommonlyused in various industries, especially the automotive and emergency services industries. They are primarily used forstabilizing a vehicle's suspensionandpreventing a vehicle from rolling. These devices are typically made of tough, sturdy materials like rubber or plastic, and they can be conveniently adjusted to different heights.To amplify their use, these are placed behind or in front of the wheels of the vehicle to prevent it from moving either forward or backward. When it comes to a dash roll-up, step chocks can be used to support the sill during this process, providing an efficient and safe operation. However, they are not typically used to create a fulcrum.Learn more about Step Chocks Usage here:brainly.com/question/32373099#SPJ11...