locks, namely, padlocks, mortise locks, cylindrical locks, mechanical locks, mechanical locks controlled by electronic controls, tubular deadbolt locks, cabinet locks, lock cylinders, and structural parts of locks; metal keys for locks

lock and key combinating hand tools, namely, key combinating cutter, lock combinating kit comprised of pin tumblers, tumbler springs, and hand tools in the nature of a spanner wrench, hand capping pin, tweezers, and letter and number dies

electronic locks and computer software for lock core and key inventory control

installation of security systems for others; consultation regarding installation and maintenance of security systems for others

training of personnel in the operation and use of security systems and equipment

architectural design services; design of home security systems; design of electronic security systems