11.   Associated Press television reported from the northern Sarajevo suburb of Vogosca that Serbs there were lighting fires to produce black smoke and thus throw off NATO pilots.

12.   Associated Press Television reported the Serbs lighted fires in the northern Sarajevo suburb of Vogosca to produce black smoke and throw off NATO pilots.

13.   Both reduce nitrosamine emissions by using special heating techniques to produce smoke without conventional burning.

14.   Eclipse and the Accord cigarette from Philip Morris Co. both reduce cancer-causing toxic emissions by using special heating techniques to produce smoke without conventional burning.

15.   Fires raging through unusually dry jungles have produced thick smoke that has hampered relief flights to many communities too remote to be reached by road.

16.   Last year, fires across the archipelago produced smoke that threatened the health of millions in Southeast Asia.

17.   Last year, fires across the Indonesian archipelago produced smoke that threatened the health of millions over much of Southeast Asia.

18.   Last year, fires across the archipelago produced smoke that threatened the health of millions over much of Southeast Asia.

19.   The smoke has been produced by hundreds of fires, most of which have been deliberately lit by companies wanting to clear forest and scrub land cheaply.