electrical and optical apparatus and instruments for weighing, measuring, signalling and supervisory checking; namely, data processors, anti-intrusion alarms, benzine meters, petrol level gauges, self-regulating petrol pumps, self-regulating fuel pumps, and petrol pumps for service stations; data processors; safety and functionality alarms for the petrol and petrochemical industries; recorded computer programs for use in the petrol and petrochemical industries; detectors for liquids, gases, objects and persons for use in the petrol and petrochemical industries; dosage dispensers and dosimeters; electric couplings; electric installations for the remote control of industrial operations; electro-dynamic apparatus for the remote control of signals; gasometers; integrated circuits; electrical connectors; electric regulators; quantity indicators; temperature indicators; electric monitors; electronic signal transmitters; luminous and mechanical signals; non-explosive fog signals; temperature indicators; pressure measure apparatus; and pressure indicators

computer programming services; electrical equipment rental services; engineering services and professional consultation services regarding security systems