37 Consultancy services relating to refurbishment measures that are necessary to comply with legal regulations concerning waste, including consultancy services relating to removal of amalgam sedimentation in piping systems; repair, service and maintenance services in connection with the following goods: apparatus for recovering raw materials from amalgam waste in dental practices, compressors for the medical and dental sector, analysis, diagnosis, treatment, electronic apparatus, all being for medical use, electronic tooth root capture, diagnostic and/or treatment apparatus, medical and dental body cavity suction devices, amalgam separators, apparatus for air/water separation in the medical and dental sector, including with integrated heavy parts collectors, combination apparatus made from suction devices, compressors and amalgam separators for dentists, medical apparatus and apparatus for disinfection, in particular for dentists and ENT specialists