Multi-piece golf balls having a solid core and cover are provided. The signal communication includes at least one first signal that is sent from the object to the portable unit, and at least one second signal that is sent from the portable unit to the object in response to the first signal. In the case of a relatively high vehicle speed, on the other hand, the power of the engine 22 is directly output to the drive shaft 36, while the brake 62 is in ON position and the clutch 64 is in OFF position. The current capacity levels are indicative the capacity of resources to perform certain acts. Each fan blade section includes a turbine section which extends from a diffuser section. The bonding material has, among other things, a rare earth metal and other material.