The first principle for dealing with potential risks was that containment should be made an essential consideration in the experimental design.

Toy manufacturers and retailers agree that safety is an essential consideration.

An essential consideration was to complete the project with as little disruption to the traffic flow as possible.

Public interest was one of the essential considerations in determining an appropriate sentence.

The essential considerations were the weight, wood types and pickups.

Either way I reckon DX11 should be an essential rather than prefferable consideration.

I hope that he will put forward this essential consideration in his various roles.

I believe that Mr Barnier has introduced some absolutely essential considerations and details.

That, too, is a quite essential consideration.

This is something I regard as an essential consideration.