Utilization (noun)

1. The act of using or employing something to its fullest advantage.
2. The act of making practical and effective use of a resource.

Origin:

Mid 19th century: from utilize + -ation.

Examples:

1. The utilization of renewable energy sources is increasing.
2. The utilization of technology has greatly improved communication.
3. The utilization of the company's resources has increased efficiency.
4. The utilization of public transportation has decreased traffic congestion.
5. The utilization of the building has been changed from office to residential.