It's also possible that you have the correct application on your PC, but .obj files aren't yet associated with it. In this case, when you try to open a .obj file, you can tell Windows which application is the correct one for that file. From then on, opening a .obj file will open the correct application. Click here to fix .obj file association errors
Best Answer: Covering the brake, is to be able to stop quickly in an emergency situation. Controlled braking, is to apply the brakes as hard as you can without locking the wheels. Threshold braking, means to utilizing the maximum potential of your brakes, or in other words, braking to the threshold of locking-up.
Threshold is defined as the he change in a stimulus that is detectably different 50% of the time. If the change is from no stimulation at all, that threshold stimulus is called the absolute threshold. Otherwise the threshold is a difference threshold, because it measures the threshold for detecting the difference between stimuli: a stimulus before and after it is changed. The size of the stimulus change required for detection is called the threshold.