Water Extraction:Drilling equipment, spring‑water collection systems, well‑drilling apparatus, filtration components and equipment, well‑pumping systems, potable‑water treatment devices, membrane technologies and related equipment

Water and Water Treatment:Chemical treatment processes, purification equipment for industrial water, chemical technologies for water treatment, gold‑detection systems, reclaimed‑water plants, physical water‑treatment equipment and techniques, water‑recycling systems and facilities, water towers, activated‑carbon water‑treatment equipment and technologies, drinking‑water treatment devices, water tanks, UV disinfection systems, wastewater‑disposal treatment, sewage‑purification systems, filtration equipment, and more

Fluid Machinery and Wastewater Disposal:Pipes, pressure‑pipeline and drainage fittings, pipe accessories, piping materials; flanges, rainwater‑drainage pipes, venting conduits, pipe‑installation and cutting machinery, tools and techniques for underground pipeline installation (including manual methods), pipe‑clamps, anti‑corrosion materials, pipe‑sealing compounds, pipe‑cleaning devices, leak‑prevention equipment and technologies; pump stations, water pumps, hand‑operated pumps, acid‑resistant pumps, pipeline pumps, pump seals, piston pumps, booster systems, basement water pumps, centrifugal pumps, relay pumps, screw pumps, metering pumps, vortex pumps; water valves, shut‑off valves, valve‑control devices and systems, flow regulators, control valves, check valves, and other related components; water taps, high‑pressure drainage systems, rainwater‑collection devices, compressors, pressurizers, and safety‑protection equipment

Water‑Testing, Monitoring, and Analytical‑Processing Systems:Testing instruments, water‑management automation, automated monitoring devices, water‑composition analyzers, water‑quality monitoring, recording systems, (domestic and industrial) water meters, water‑temperature measurement and control, flow‑rate regulation, laboratory equipment, central control systems, pH‑measurement devices, and more

Water‑Pollution Control and Soil‑and‑Water Conservation:Environmental protection equipment, water‑pollution remediation, pollution‑prevention measures; hydraulic‑engineering machinery, hydraulic‑construction projects, pipe‑installation equipment, welding machinery, high‑pressure hydraulic‑cleaning devices; geothermal energy technologies, hot springs, construction of geothermal wells, geothermal heat pumps, geothermal pipe fittings, and related components; swimming‑pool equipment, flood‑control measures, flood‑early‑warning systems, flood‑defence walls, lifesaving equipment, and more