We would like to thank NCBiR and all our Partners: Warsaw University of Technology and Military University of Technology, as well as the employees of our company for the successful completion of R & D works in the field of the use of magnetorheological fluids in mechanical systems. It will transalte into a wider comercial offer of our company, both in terms of undertaking the production of a new generation of liquid level indicators, as well as hydraulic units with high power internal combustion engines.