But for now, most drillers are confining their efforts to a proven source: Texas itself.

The Titanides were good climbers, though they largely confined their efforts to trees.

And they have not confined their efforts to the Private Reserve.

It is not, therefore, unexpected that governments since the last war in this country have confined their efforts largely to this aspect of equality.

In reacting to the economy's sub-par performance, East Germany's leaders have confined their efforts to fine-tuning.

However, it was primarily poetry that motivated the young Smith and he confined his efforts for poetry for more than a decade.

He confined his efforts to the first floor.

He confined his efforts to the Demokrat, which, thereafter, adopted a neutral policy.

If his mother has a say he will no doubt be confining his efforts to the classroom.