The word "servicing" refers to maintenance, repair, and upkeep of a particular item or system. Some synonyms for servicing include maintenance, tune-up, overhauling, repairing, inspecting, and refurbishing. Maintenance is the general term used to refer to all activities aimed at maintaining an item's functionality. Tune-up refers to specific services done to improve performance. Overhauling means a comprehensive repair process, while refurbishing refers to restoring an item's physical appearance to its original state. Inspecting means examining an item to identify any issues that may require repairs. Whichever term you choose to describe the work to be done on an item or system, the objective is always to enhance its functionality and lifespan.