A cooperative effort in the field of health physics.

Early development of park property was a cooperative effort between state and federal governments.

Later, one big lantern was made for each barrio, which was created through a cooperative effort.

The show was a cooperative effort between the two troupes, with members from both groups performing on stage at once.

It was launched in early 2000 as a cooperative effort among publishers to enable persistent cross-publisher citation linking in online academic journals.