Nucleic acid sequences, vectors, recombinant host cells, transgenic plants, and methods for their preparation are disclosed. The probability can be adjusted by changing, adding or subtracting symbols on a reel strip. The nested LUW may comprise an inner LUW and an outer LUW. The sub-systems perform self health checks on themselves and provide sub-system health information to requesting entities such as the SHM. Methods of encouraging purchase and facilitating use of a stored-value card, and other financial transaction card embodiments are also disclosed. The SPR unit has specific biological molecules fixed thereon for reacting with corresponding biological molecules of an analyzed object.