Electric sensors for detecting chemical, biological, radiological, and nuclear threats; sensors for measuring temperature, air quality, concentrations of chemicals in water, and pollutants, not for medical use; hand-held device comprised of chemical and heat sensors for detecting nuclear explosives; electric pollution sensors for measuring toxin and chemical levels in the air and water; radiation sensors for remotely measuring thermal and infrared radiation energy waves; all of the foregoing ...

SECURITY AND PROTECTION TYPE SERVICES WHICH UTILIZE CLOSED CIRCUIT TELEVISION FOR MONITORING SURVEILLANCE, AND ALARMS