42 Industrial analysis and research in the field of measuring, signaling, supervisory control and regulation of sound, speed, air pressure and flow, air quality, air, gas, wind, speed, electricity, water, atmospheric pressure, heat, temperature, light, and humidity; Industrial analysis and research in the field of pumps for machines, condensate drainage pumps, and an apparatus for air conditioning, refrigerating, and condensing boilers; Design and development of scientific instruments and apparatus for measuring, signaling, checking, supervising and regulating the sound, speed, air pressure and flow, air quality, air, gas, wind, speed, electricity, water, atmospheric pressure, heat, temperature, light, and humidity; Design and development of pumps for machines, condensate drainage pumps, and an apparatus for air conditioning, refrigerating, and condensing boilers; technology consulting in the fields of measuring, signaling, supervisory control and regulation of sound, speed, air pressure and flow, air quality, air, gas, wind, speed, electricity, water, atmospheric pressure, heat, temperature, light, and humidity; Consulting in the field of scientific research and testing of pumps for machines, condensate drainage pumps, and an apparatus for air conditioning, refrigerating, and condensing boilers; Consulting in the field of design and development, scientific research and testing, all of pumps, condensate drainage pumps, and apparatus for air conditioning, refrigerating, and condensing boilers; Rental of measuring apparatus for measuring and monitoring sound, speed, air pressure and flow, air quality, air, gas, wind, speed, electricity, water, atmospheric pressure, heat, temperature, light, and humidity; Calibration services, namely, calibration of scientific instruments and apparatus for measuring, signaling, checking, supervising, and regulating the sound, speed, air pressure and flow, air quality, air, gas, wind, speed, electricity, water, atmospheric pressure, heat, temperature, light, and humidity