42 Science and technology services, namely, scientific research and technological research in the field of tribology and minimization of friction and wear; Technological consultancy and advisory services; Technological services, in particular increasing the efficiency of production installations, processes and personnel, optimising the energy efficiency of lubricant applications, supporting lubricant management, servicing using lubricants, maintenance using lubricants, implementation, achieving and preserving of savings, in particular in production installations, consultancy for achieving improvements in productivity through optimisation recommendations based on tribological analyses of lubricant applications or based on test bench studies, extending the service life of wear parts, in particular in the large drive and chain sector