7
Pumps and their parts and fittings ( not included in other classes), pump stations; mixers, including submersible mixers for sewage disposal systems, for general dewatering, flood control, waste handling and flow generation
9
Software for running monitoring and control systems for pumps and mixers; control and monitoring panels for pumps and mixers; monitoring relays; sensors to monitor the status of a pump or a mixer such as liquid level sensors and liquid level controls; electric devices for automatic control operation of pumps; electrical start equipment and cables for pumps, pump stations and mixers; alarm transmitters that combines an alarm and overflow function
11
Installation purification of waste water; apparatus for producing current in liquids and agitating liquids, apparatus for lightning, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes