There are four contestants working on computer-driven lathes and drills.

Rather spend a short time on several drills and come back to them another day, than a long.

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I can focus on drills instead of the other stuff flying around.

The focus has been on running and drills that get you down the court or field faster to make more points.

She also, like Bates, placed great emphasis on mental drills, and one's attitude to seeing.

They'd spent most of their time in space, running problems of every sort, with the emphasis on fighting drills.

A substantial threat did more to put a hard force on alert than any hundred drills and exercises.

We can't afford to expand them uselessly on drills.