31.   Other officials speculated that spray containers used to treat skis or snowboards may have burst, producing sounds that in the general confusion may have seemed like large explosions.

32.   Philippe Rouillon seemed slightly miscast as Mephistopheles, producing beautiful sounds but lacking the needed plangency at the bottom and any sense of real menace.

33.   Robert Provine, who studies laughter at the University of Maryland, Baltimore County, believes many social mammals probably produce laughterlike sounds.

34.   Structure-borne sound is produced when airborne sound strikes a structural element, like a wall, floor, ceiling or duct.

35.   Suffice to say it produces crisper sounds.

36.   That act, which loaded a bullet for firing, produced a sound loud and distinctive enough that the intruder uttered an expletive and fled.

37.   Sure, CD players produce great sound and are practically indestructible.

38.   The actual sound is produced by the vocal cords as they open to breathe and close to vibrate.

39.   The dancers can also produce resonating sounds when touching a series of electronic wires stretched across the stage.

40.   The City Opera cast was better at producing attractive sounds than at making words come alive.