Self-supporting tyre: A type of run-flat tyre in which the deflated tyre can continue to run at a lower speed, due to the reinforcement of its side walls. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostSelf-aligning torque Next PostServo