1
Chemicals for the treatment, purification and softening of water and for the maintenance of water filters and pipes
6
Swimming pools of metal, metal structures for swimming pools, tubing, water tanks and pipes of metal
7
Water separators (of metal); pumps (machines) and their parts; spraying machines; cartridges for filtering machines, filtering machines, motors and engines (except for vehicles), turbines
9
(Electronic) apparatus and instruments for conducting, distributing, regulating and controlling water
11
Apparatus for filtering water, machines for sterilising water, water purifying apparatus and machines, apparatus and installations for softening water, installations for conveying and distributing water, hydrants and sprinklers, heating apparatus and water coolers, pressure water tanks
19
Swimming pools, not of metal, structures not of metal for swimming pools
21
Sprinkling devices
35
Business management for the manufacture and marketing of goods for swimming pools and irrigation and goods for conveying, pumping, filtering, treating and purifying water
40
Treatment and purification of water