35 Advertising in the field of hydraulics, pneumatics and fluids technology.
37 New installation, commissioning, inspection, maintenance, repair, inspection and replacement of hydraulic, electric and electronic installations, devices and their components; optimisation work in this field; maintenance of mobile and stationary installations for cross-flow filtration and solvent recovery; application of measuring technologies of all kinds; maintenance and technical monitoring of fluids such as hydraulic and cooling lubricant liquids and gases.
39 Warehousing and storage, including with others.
40 Material processing regarding the aforementioned installations and components, and mobile and stationary installations.
41 Training and publications in the aforesaid fields.