This test is supposed to measure the braking force of your left and proper wheels for both the entrance and rear axles of your vehicle on the rolling street so as to get the vehicle up to speed also to correctly measure the braking power that each wheel can create. https://motorvehicleinspection01233.dbblog.net/58795311/how-much-you-need-to-expect-you-ll-pay-for-a-good-motor-vehicle-inspection