31.  Ozone, the main component of smog, makes the eyes and lungs burn and is suspected of causing long-term lung damage.

32.  Petrakis will not disclose the precise ingredients of the foam until patents are granted, but he says the main components are acids and fluoride ions.

33.  Ozone is the main component of smog, which forms when sunlight hits hydrocarbons and nitrogen oxides.

34.  Schrempp and Zetsche had already announced the main components of their turnaround plan.

35.  Shares in Intel and Microsoft, which sell the main components of most PCs, have also been soaring.

36.  Soon the hillsides were lined with terraced vineyards of Sangiovese grapes, the main component of Chianti wine.

37.  Sony has developed the technology to make a main component of the LCD more efficiently and at a lower cost.

38.  That change would better reflect the latest scientific understanding of the health risks posed by ozone, an irritant gas that is a main component of smog.

39.  The Coca-Cola film campaign has three main components.

40.  The deal has two main components.