Each family has to devote 400 hours of work to building their own home.

Women devote 200 million hours a year to this type of care'.

During this time, he also devoted many hours to playing football.

I promise to devote at least two hours a day to social work.

So the other day, when alone, I devoted several hours to experimentation.

Yet he devoted hours each day to writing letters, and often at great length.

But 4 of every 10 working Americans provided support to their parents, with 5 percent devoting 40 hours a month or more to that care.

"I don't see anything wrong with devoting eight hours a month," he said.

"I'd estimate I devote at least two hours every day, on the average, to finding out what's available."

An editorial in this month's issue calls on every lawyer to devote 50 hours a year to work "for the public good."