9 optical devices, enhancers and correctors, namely, optical filters, optical amplifiers, optical condensers, optical disk drives, optical disk readers and optical fibers; measuring, detecting and monitoring instruments, indicators and controllers, namely, flow meters, vortex sensors, ultrasound measuring apparatus for measuring the flowing speed of liquids and for measuring the quantity of liquid fluid through a confined space, pressure gauges, water level indicators, switching devices for the operation of one or more pumps, control units in the nature of switch boxes and control boxes for pumps and electric flow and pressure controls; devices and apparatus for the analysis of water, namely, scientific instrumentation for measuring the throughput speed and the concentration of chemicals in water and dispensers of preset portions of fluids, all not for medical use; devices for dosing of water, namely, scientific instrumentation for measuring the throughput speed and the concentration of chemicals in water and dispensers of preset portions of fluids, all not for medical use; solenoid dosing valves being electromagnetic switches; electric control apparatus, namely, electric control devices, radio antenna, and pump networking and central control software, all for controlling pump systems; electrotechnical components, namely, pressure indicators and flow indicators; electric loss indicators, namely, electricity meters; electric installations for the remote control of electric operations, namely, electric installations for the remote control of water management, waste water treatment and drainage operations; electric apparatus for commutation, namely, commutators; electric regulating apparatus for the purpose of regulating pressure, quantity and flow of liquids; electricity distribution consoles; electric control panels; electro-dynamic apparatus for the remote control of signals; sprinkler systems and water systems in the nature of hoses, valves, pipes, liquid storage vessels, nozzles, remote filling stations, manual and electric control panels and manual and electric switches for fire protection; devices for the measuring and evaluation of water quality, namely, electronic devices for measuring liquid decontamination and chemical levels; testing apparatus, not for medical purposes, namely, electrical apparatus for testing the pressure, quantity and flow of liquids; electric installations for the remote control of industrial operations; apparatus and instruments for physics, namely, wave and flow meters for use in installations for water management, waste water, waste water treatment, sewage, excrements and drainage; electric sensors; parts and fittings for all the aforesaid goods, included in this class, namely, component parts and fittings for pressure drainage systems comprising optical devices, enhancers and correctors, measuring, detecting and monitoring instruments, indicators and controllers, devices and apparatus for the analysis of water, devices for dosing of water, electric control apparatus, electrotechnical components, electric loss indicators, electric apparatus for commutation, electric regulating apparatus, electricity distribution consoles, electric control panels, electro-dynamic apparatus for the remote control of signals, [ electric coils, electric junction boxes and ] devices for the measuring and evaluation of water quality, all for use in water management systems, waste water systems, drainage systems and sewage systems; all aforementioned goods exclusively with relation to pumps and pump systems