Cách sử dụng
Maintenance refers to the act of keeping something in good condition or keeping it working properly. It is used in various contexts, such as the maintenance of vehicles, buildings, or equipment. For example, a car requires regular maintenance to keep it running smoothly, such as checking the oil and replacing worn parts. Similarly, a building requires maintenance to keep it structurally sound and safe. The term is used to describe the work that is done to keep things in good shape and prevent problems from arising.