It will probably require about five minutes on each side.

I have done this several times, but it seems to be required about every year.

That entire thought process required about a third of a second.

They required little training and even less explanation about their coming jobs.

The test will not require much knowledge about these subjects.

You will require about a sack and a half for each can.

That strategy requires about $260 billion in 1996, but does it make sense?

The curriculum requires about 80 to 120 hours of work, which can take from three months to more than a year to complete.

This treatment requires about 25 to 35% of the created wood gas energy.