Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; Control valves for regulating the flow of gases and liquids; Pressure relief valves for protecting pumps; Safety valves for flow shutoff in well construction

Motors not for use in land vehicles; Motors not for use in land vehicles having an air cleaning blower

Portable rotary drilling machines used to drill water, geothermal, and enviromental wells

Control valves for regulating the flow of gases and liquids; Pressure relief valves for protecting pumps; Safety valves for flow shutoff in well construction; Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines

Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; Control valves for regulating the flow of gases and liquids; Pressure relief valves for protecting pumps; Safety valves for flow shutoff in well construction

Control valves for regulating the flow of gases and liquids; Pressure relief valves for protecting pumps; Safety valves for flow shutoff in well construction; Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines