- Active packaging is increasingly adopted by processors to help prevent spoilage of foods through mould.
- L. Vermeiren, F. Devlieghere, Developments in the active packaging of foods, Trends in Food Science &Technology, 10, 77(1999).
- The orient has been playing an active role in the world economy.
- He is an active member of the school's stamp club.
- An active volcano may explode at any time.