Instead of making new machines, Watson will repair used ones.

Most of the more used ones are marked on it and given a number but there are thousands that aren't.

I buy about one CD or two used ones a month.

In writing it is recommended to use fresh expressions and not over used ones.

I've been asked what candles to light, used ones or new ones?

He would receive new needles when he returned with the used ones.

So I have to save all the used ones.

You can buy new weapons or meld used ones together.

When the city could not afford new police cars, it bought 10 used ones.

Students are sharing books, using library copies or going online to find used ones.