The ratio between the actual usefulness or use of a person or thing and its maximum possible capacity; utilization ratio.

The practice of using material resources in a comprehensive, full, and rational way; multipurpose use.

To turn waste materials or discarded items into something useful or profitable

To make full use of natural resources and materials to improve the living conditions and well-being of the people.

land use plan; specifically used as an official Chinese government term

to reuse or recycle items (such as waste materials, heat, or water); the process of doing so

to reuse materials or products through a circular process