[ Altimeters; Boiler control instruments; Flow meters; Gas detectors for detecting the presence of gas; Instruments for measuring length; Instruments for detecting and measuring two-dimensional distribution of force and pressure; Instruments for measuring milk quality parameters; Measuring instrumentation and apparatus, namely, digitizers; Metering orifices, namely, orifice plates for metering or controlling the flow rate of liquids; Monitoring devices for the aquaculture industry used to mon...