41.   Turning off an air-conditioning pack not only saves fuel but reduces noise in the cabin.

42.   West said that even though arrays can greatly reduce background noise, some unwanted sound still contaminates speech.

43.   While adding to occupant safety, the stiffer body structure also improves the handling, reduces interior noise and smooths the ride.

44.   Although the United States says hush-kits reduce engine noise sufficiently, the EU says they are not effective and demand further modifications to plane engines.

45.   Among other regulations, the employer must enclose noisy machines in acoustic shields, isolate workers in an acoustic enclosure and service machinery regularly to reduce noise.

46.   Environmentalists are calling for special efforts to reduce noise in those locations.

47.   Her complaints finally convinced the TV crews to move the generator and build a wooden cover to reduce the noise.

48.   Mincato said that the absorbent asphalt cost double than the ordinary asphalt, but lasts longer and reduce the noise from rolling tires.

49.   Other agreements call for steps to reduce noise at American bases.

50.   The city insisted on several steps to reduce noise, but filming would regularly run past midnight.