9 dry solids flow products, namely, belt scales for in-line weighing, and related accessories, namely, speed sensors and incline compensators, solids flowmeters for continuous in-line weighing, computing integrators for belt scales and solids flowmeters, parts for all of the aforesaid goods; process protection products, namely, motion sensors and probes, motion failure alarms, speed switches and detectors, audio signal converters, grain elevator leg monitors, acoustic sensors and related control units, pipeline sand/solids flow monitors, and parts for all of the aforesaid goods