In Visual Studio, you can draw a use case diagram to summarize who uses your application or system, and what they can do with it. To create a UML use case diagram, on the Architecture menu, click New UML or Layer Diagram.
The Benefits of Wheel Alignment. Proper wheel alignment is extremely important to protect tire investment and tire life, maximize fuel economy and stop safely in wet weather conditions. Proper wheel alignment helps vehicles hold the road better and feel more stable.
The mechanical advantage of the wheel and axle is the ratio of the distances from the fulcrum to the applied loads, or what is the same thing the ratio of the diameter of the wheel and axle. A major application is in wheeled vehicles, in which the wheel and axle are used to reduce friction of the moving vehicle with the ground.