Servo: A system for multiplying the driver’s effort. The common examples are the brake servo, power steering, etc. 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-supporting tyre Next PostServo brakes