42 Computer services, namely, developing diagnostics models relating to the diagnosis of fault in systems, appliances and equipment; computer consultation regarding management expertise to customize, host, maintain and support implementation of diagnostic models and appliance/component data bases including applications management and systems integration; offering technical support services relating to the diagnosis of faults in systems, appliances and equipment; offering technical support services relating to the diagnosis of faults in systems, appliances and equipment by electronic communication means, by telecommunications means, and by the Internet; diagnosing faults in systems, appliances and equipment