machine parts, namely, control valves; feedwater regulators; boiler water level regulators; butterfly valves; ball valves; and gate valves

Boiler water regulators; boiler pressure governors; electronic blade consistency transmitters for measuring liquid mixtures in industry; computer software for assisting in valve systems and in specifying valve products; electronic digital controller for positioning valves in industrial equipment; computer monitor and signal conditioners for diagnosing control valve performance; and electronic valve actuators