A fan blade anti-fretting insert is described whereby to reduce wear between the root portion of a fan blade and the root slot of the rotor fan hub of a turbo fan engine to which the fan blade are secured. The possibility is thus afforded, for the first time, of transporting and utilizing heat energy over relatively long distances flexibly and on demand, but also extremely profitably. A remote computer is connected to the base station for determining a status of the living beings by receiving the physiological information from the base station and analyzing the physiological information. Then, the needle and the nozzle moves to approach each other by the pressure of air introduced into the third fluid chamber and isolate each other by the pressure of hydrogen off-gas introduced into the second fluid chamber. The invention also provides a method for preparing the above composition. In a specific embodiment of the invention, the cyclodextrin is -cyclodextrin.