Scientific, nautical, surveying, photographic, cinematographic, optical, measuring, signaling, checking, supervision, life saving and teaching apparatus and instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants, electronic-based instruments for measuring environmental parameters including humidity, pressure, mold, bacteria, air quality and water quality, level measuring machines for surveying, digital signal processors, emergency signal transmitters, signal conditioning and communication devices for industrial process control, environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions, technical measuring, testing and checking apparatus and instruments for measuring testing and checking the temperature, pressure, quantity and concentration of gas and liquids; computers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric batteries, electric accumulators, electric transformers; apparatus for recording, transmission, reproduction of sound or images; blank magnetic data carriers, blank recordable optical discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; electric surveillance apparatus, namely, automated self contained electronic surveillance devices that can be deployed to gather evidence or intelligence in remote locations; anti-intrusion alarms; electric apparatus for controlling and measuring sanitary drainage systems, namely, flow rate meters, liquid-level gauges, pressure gauges, thermometers, signal sensors, pressure transducers and transmitters that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems and pressure transducers and transmitters that convert electrical signals into hydraulic or pneumatic pressure for monitoring and controlling hydraulic or pneumatic systems

Scientific and industrial research in the field of sanitary drainage systems; consulting in computer hardware and software; computer programming; technical environmental consulting services for analyzing air composition; engineering services in the field of sanitary drainage systems; chemist services; physicist services in the nature of providing consultation in the field of physics; drafting of engineers' geological survey reports; architectural consulting; inspection of sanitary drainage systems; drafting of rescue plans and procedures in the nature of safety engineering services

Legal services; security guard services for protection of property and individuals; personal concierge services for others comprising making requested personal arrangements and reservations, running errands and providing customer specific information to meet individual needs, all rendered in business establishments, office buildings, hotels, residential complexes and homes; consulting in the field of security, theft and violence protection and security guarding; drafting of rescue plans and procedures in the nature of consulting in the field of personal security; monitoring of alarms; surveillance services; investigation and surveillance services in connection with the security of individuals and communities; rental of protective equipment, alarms and identification equipment and all equipment necessary for security used as a precautionary means and as a means of protection irrespective of the field concerned