Maintenances refer to the actions taken to keep something in good working condition. The term can encompass numerous activities, from routine cleaning and upkeep to major repairs or overhauls. There are several synonyms for maintenance that can be used interchangeably, such as upkeep, support, preservation, care, and protection. Maintenance can also be understood as the process of sustaining the quality and functionality of an object, system, or structure. Regardless of the form or level of maintenance required, the goal is always to extend the lifespan and optimize the performance of the object or system in question. Adequate maintenance is crucial for the longevity and safety of any device, equipment, or infrastructure.