The acronym RH was a must for the love of the profession and to represent our core business. As for the particle Lab it is the diminutive of laboratory. Because after meetings, brainstormings and workshops, it is now THE trend to name those famous work meetings where ideas merge and develop. It also seemed to be the best designation to us in order to symbolize our processes of research, analysis and HR diagnostics. As for the logo, it is the graphic version of an ammonite that symbolizes continuous change and perpetual evolution.tics. As for the logo, it is the graphic version of an ammonite that symbolizes continuous change and perpetual evolution.