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 (in an ecosystem) The level of magnitude of a system process at which sudden or rapid change occurs. A point or level at which new properties emerge in an ecological, economic, or other system, invalidating predictions based on mathematical relationships that apply at lower levels.