1.   Every course will involve an element of theoretical knowledge to ensure that your next trip away from the controlled environment is safe.

2.   These animals were raised in a controlled environment.

3.   The polar bears at the zoo live in a controlled environment.

4.   This suggests that it is sensible to explore aspects of subjective risk in the controlled environment of even this relatively crude simulator.

5.   A genuine combi-steamer offers the opportunity to use either pressureless steam in a controlled environment, or dry heat.

6.   As new security measures make air, bus and train travel less convenient, the freedom and controlled environment of an automobile are suddenly worth another look.

7.   At times, the movie seems like a refutation of laboratory psychology, of the Skinnerian thesis that positive reinforcement in a controlled environment yields a particular desired behavior.

8.   A park brings all those things together in a controlled environment.

9.   All I know is that I now cook in a controlled environment.