11.   Our small margin for error shrinks even more.

12.   Selling word processors and spreadsheets has become a relatively mature commodity business in which prices and margins have shrunk.

13.   The banks are mostly doing fine, but investors worry that their revenue growth is slowing and margins are shrinking.

14.   The company acknowledged that its operating margins had shrunk in the third quarter.

15.   Yet the exchange will be hard-pressed to raise member fees because brokers, whose margins are shrinking along with falling commissions, are likely to resist.

16.   Would the stunt have happened if the margin had shrunk again?

17.   But the margin shrank abruptly as the poll count advanced, creating a technical tie.

18.   But the vote margin shrank steadily as late reports came in from heavily Democratic Broward and Palm Beach counties.

19.   His margin has shrunk since Election Night, and the canvassing will not be finished until Friday.

20.   Low inventories of heating oil and other refined products will keep refining margins firm, though marketing margins may shrink, he said.