21.   A sliver of lemon zest is flamed over the top to play down the fruit and step up the acidity.

22.   A spirit of compromise appeared to be spreading as industry steps up its fierce lobbying for the visa bill.

23.   A step up, in the popular European segment where cars like the Volkswagen Golf and Ford Focus compete, Toyota is selling more Corollas.

24.   A step up or a step down?

25.   Adams asks, smiling, as a middle-age woman steps up to pay.

26.   Airport officials and the airlines, which hire the security firms, say they redeployed their guards to step up scrutiny of people and baggage entering the terminals.

27.   Also, demand in the second half of the year is seen increasing as Japan steps up its purchases.

28.   But companies often are not able to hire workers and step up production quickly enough to meet the increased demand for their products and respond by raising prices.

29.   But he called it a necessary step, as banks step up their on-line efforts.

30.   But it is at the next step up the ladder that something strange and wonderful happens.