An effective crisis response requires instruments that complement one another.

The crisis in the sector requires appropriate instruments and I believe that these will be used.

It is easy to think of an example where an effective operation requires instruments from all three pillars.

Products also include instruments and controls required on the rig floor for the drilling operation.

In addition, pops concerts usually require fewer instruments: 50 as opposed to 90.

Its inclusion requires more precise instruments, as provided in the proposed amendments we will support.

"But that would be inefficient, requiring several players and instruments to do what I already do."

If we require instruments with a chromatic G compass the list is reduced to four.

The siblings, who required new instruments, went into a music shop to replace Andy's broken guitar.

Ashley de Vos points out that this would require sophisticated instruments even today.