A chrysanthemum plant named Libra characterized by its medium sized blooms with white ray florets and a cream center, and prolife branching; natural season flower date August 29-September 4; blooming for a period of 5 weeks. The turbine includes a first casing and a second casing. The resin composition of the present invention can accordingly have multiple functions and can be used for electricalelectronic devices. A sensor can provide independent deployment once the device is armed. Since such an external storage system using LUN security is capable of effecting coupling operations only on logical units recognized by the host computer, security is enhanced.