Surveying instruments and apparatus; measuring instruments and apparatus, namely, fluid and air resistance measurement meters and flow meters; infrared detectors for sensing flames, heat and explosions, and for fluid and air level and flow measuring; signaling instruments and apparatus, namely, instruments for detecting potential explosions, instruments in the nature of smoke, fire, air pressure and spark detectors for process protection of personnel and machinery, and emergency signal transmitters; control apparatus and instruments, namely, explosion venting, flow meter and measuring apparatus in the nature of bursting pressure relief discs used to protect pressure equipment, pressure vessels, piping, gas cylinders and reactors to prevent excessive pressure, rupture and vacuum; autonomous protective systems in the nature of explosive containment vessels comprised of components with safety function, namely, bursting discs and rupture discs for controlling, monitoring and protection of and against high and low pressures and vacuum conditions resulting from explosions; regulating, measuring and control apparatus, namely, protection sensors and meters for pressure and vacuum relief applications, specifically, pressure sensors and vacuum gauges, and systems comprised thereof for pressure relief of gas and dust explosions; devices, namely, autonomous protective devices comprised of flow meters, measuring apparatus and infrared electric detectors, for measuring the level, speed, density and flow rates of liquids, gases, bulk solids and mixtures thereof for safety purposes, and component parts therefor; fiber-optical measurement and control systems and sensors comprised of fiber optic cables and connectors, fiber optic sensors, and fiber optic force and temperature sensors for measuring heat and vibration from explosions; electric fiber optic monitoring apparatus, namely, fiber optic sensors to monitor surface pressure of screws and bolts, fiber optic sensors to measure pressure and material strains; computer programs for use in explosion prevention and the process of ensuring the safety of personnel and machinery, specifically for monitoring, detecting and alerting personnel to potential explosions; computer application software for use on digital tablets, mobile phones, and computers for explosion prevention, specifically for monitoring, detecting and alerting personnel to potential explosions, and for monitoring, metering, and control of flow and pressure of gases, vapors and liquid media

Industrial analysis, namely, lab-testing, risk analysis and design, and technical research services in the field of venting, explosion protection and process protection and to reduce process risk, harm and injury; Engineering; consultancy relating to the research and development of technologies in the field of rapid combustion and pressure mitigation; computer services, namely, computer technology consultation; consultancy and advice on computer applications software; design and development of computer application software; rental of application software