While there are already, in many areas, technologi
cal alternatives to nickel-cadmium on the market, nickel-metal hybrids being one example, these alternatives cannot as yet be regarded as equivalent to nickel-cadmium, as
demonstrated, inter alia, by various differences, for example the fact that the lifetim
e of nickel-cadmium batteries is longer than that of their nickel-metal hybrid counterparts, and they are less susceptible to f
...[+++]aults and defects.