41.   Russia proposed Thursday that a United Nations force in Macedonia be used to monitor the border between neighboring Albania and the tense Serbian region of Kosovo.

42.   Siazon quoted Tang as saying during the meeting that the structures were also being used to monitor the weather.

43.   The Airborne Warning and Control Systems aircraft are used to monitor battles on the ground or threats in the air.

44.   The AWACS, used to monitor battles on the ground or threats in the air, began deploying to the United States on Tuesday.

45.   The AWACS aircraft are used to monitor battles on the ground or threats in the air.

46.   The health department said the lab error involved the test that is typically used to monitor patients using warfarin.

47.   The system can, for instance, be used to monitor traffic lights, electrical substations, water level of tanks and reservoirs, and gas pressure along pipelines.

48.   The technology could be used to monitor treaty compliance, vegetation, volcanic activity and chemical spills.

49.   Five trucks of firefighters fought the blaze and aerial appliances were used to monitor the fire.

50.   The satellite imagery could be used to monitor the fighting and movements of people.