Methods of diagnosing bone disease such as osteoporosis are provided. The housing includes a window for a user to access the handle for forcibly sliding the handle in a vertical direction. The DMA command messages are arranged in a first-in first-out queue, in the order in which they are received. The capacitor not only is convenient to plug, but also can effectively play a role in insulation and prevent the accident caused by conducting leak electricity to an electric appliance casing when abnormal electricity leakage occurs in the capacitor. Advanced searching techniques may be utilized to manipulate and filter the searched information to maintain the viewer specific integrity thereof.