1.   Cable companies are cooperating to establish fiber networks involving different operators so that they can compete with the telephone companies.

2.   You have to cooperate to establish rules for a sports league.

3.   Amorim said the countries must cooperate to establish freer trade and investment as well as access to new technologies.

4.   Under the agreement, the three countries are to cooperate to establish a worldwide surveillance network to prevent illegal cross-border commodity transactions, the sources said.