Many of Blake's schemes require co-operation and expertise from others.

Innovation projects are of an interdisciplinary nature and require co-operation between people with various talents.

Equally, some activities require considerable co-operation between 'peripheral' agencies while others require very little.

Trading for the resource requires co-operation with the other partner and includes a process of bidding and bargaining.

Both situations would probably require co-operation between two or three training groups to identify sufficient numbers of people interested.

That too requires co-operation with our allies.

'Bringing all this together has required a great deal of planning, co-operation between numerous organisations and many long hours of work,' he added.

This requires co-operation between individuals and groups, free and reliable communication, and a culture of trust.

The rites of diffarreatio require my complete consent and co-operation.

This requires a definition of international crime, drug trafficking, terrorism as well as legal and administrative co-operation.