Pumps namely, submersible electric pumps; hydraulic pumps; wastewater pumps; screw pumps; electric pumps; submersible pumps; mixers, namely, concrete mixers, electric mixers, waste-water purification mixers; submersible aerators machines; agitators for circulating liquid media, chemical processing; shredders being machines for water purification installations

Pumps, namely, hydraulic pumps, pneumatic pumps, suction pumps; electric pump for waste water, electric pump for rain waters, electric pump for mud, electric pump for sand; submersible pumps, mixers, namely, mixer for waste water, mixer for rain waters, mixer for mud, mixer for sand, submersible aerators, grinders for cutting into pieces filamentous materials, paper or textile materials contained in waters, all for use in water depuration plants