When the divers need to ascend or swim horizontally, it requires co-ordination and some skill, which is best practiced in a low hazard environment.

The pendulum search can also be done with more than one diver on the search line, but this requires considerable skill and co-ordination, particularly in low visibility.

Shooting them requires hand-eye-brain co-ordination of a phenomenal order, and that is what makes it so thrilling.

Does the movement that is now national in character require greater co-ordination and a decision-making structure?

It was central to the concept of Blitzkrieg which required close co-ordination between aircraft and tanks, by radio.

He said the review would require "co-ordination and co-operation" from police in Portugal, which the McCanns were "pleased" to have.

Such a tactic requires extreme fitness and co-ordination of the entire team.

The strategy requires close co-ordination between the local authorities, who are responsible for the road changes required, and Dublin Bus who operate the vast majority of bus services.

However, these are details requiring exact planning and co-ordination.

But it's also great exercise, requiring cardiovascular fitness, muscular strength, core stability, balance and co-ordination.