9 Controlled volume pumps, electronic controls for motors, automatic valves, control valves for regulating the flow of gases and liquids, electronic valves for controlling gases or fluids, pressure sensors, fluid flow sensors, chemical sensors, liquid Level sensors, temperature sensors, contaminant sensors for use in detecting pollutants in chemicals, electromechanical controls for use in chemical handling processes, winemaking, and brewing, computer controlled systems, comprised primarily of computer hardware and software for use in controlling the hardware, for use in chemical handling processes, winemaking, and brewing, and parts therefor