6
Metal pipes and tubes, joints, clamps and fittings for irrigation purposes [not being machinery parts]; metal fittings for pipes; metal reels, not mechanically operated, for flexible hoses; metal pipes, tubes and fittings for watering and irrigation systems
7
Pumps, compressors; parts of the aforementioned products
8
Hand tools, namely sprinklers, nozzles, keys for connecting and disconnecting water supplies; hand-operated pumps for pumping well water
11
Pipes [parts of sanitary installations]; shut-off valves and taps for water supply systems; apparatus and installations for the supply, extraction, treatment and reuse of water and rain water; sprinklers and irrigation equipment; sprinklers and systems for [drip] irrigation, including corresponding control and monitoring equipment; flexible pipes as part of sprinkler and irrigation equipment; taps [for tap or well water], tap supports; filters for water treatment, water purification and water filtration, filters for water dispensing devices, filters for water pipes and water supply devices; parts of the aforementioned products
17
Pipes and tubes of rubber, gutta-percha, rubber, plastics, asbestos or mica; flexible pipes, hoses, tubes and pipes, non-metallic; fittings, non-metallic joints and caps for use with pipes, hoses or tubes; insulated conduits [non-metallic]; Seals, non-metallic, for gas, water, air and heating systems; fittings and mountings for flexible pipes, tubes and hoses, non-metallic; irrigation pipes, tubes, pipes, fittings and couplings, non-metallic; plastic ground pins for use with pipes
21
Plastic nozzles and spraying instruments; spray bars and holders for garden hoses