7 Machines used for process filtration in the dairy, wine, water, foods, beverage, pharmaceutical, chemical, or gas processing industries; machines, namely, industrial machine presses, wine presses, beer presses, beverage processing machines, mineral water making machines, cheese making machines, conveyor machines, industrial chemical reactors, electric welding machines, wire welding machines, gas welding machines, and machines for pipe and tube cutting; machines for industrial tank cleaning, namely, power-operated rotary spray heads, rotary jet heads, and rotary turbines; heat exchangers being parts of machines; machine tools, namely, metal working machines tools, powered machines for cutting, drilling, shaping, forming, riveting, swaging, flaring, and finishing metals or other materials; power-operated tools, namely, drilling tools, boring tools, milling tools, turning tools, grinders, buffers, drill presses; pumps for machines; pumps being hydraulic pumps; pumps being machines for use in the water, food, dairy, beverage, brewery, power generation, pharmaceutical, and chemical industries; motors and engines, except for land vehicles, namely, diesel engines for machines, electric motors for machines, hydraulic engines and motors