21.   Behind each door stood jumbled mountains of unguarded ballot boxes, apparently brought by polling site supervisors who simply pitched them into any available room.

22.   Both died of drowning, brought on by carbon monoxide intoxication.

23.   A lawsuit brought by Massachussetts householders against industrial polluters.

24.   A. Ah, the old shaking handle syndrome, brought on by a bouncing floor.

25.   After a years of fast growth and rapid consolidation, HMOs face problems brought about by trying to string together far-flung computer and patient networks.

26.   After years of fast growth and rapid consolidation, HMOs face problems brought about by trying to string together far-flung computer and patient networks.

27.   Brought on by Pandolfo.

28.   Buildings brought down by homemade bombs, killing scores?

29.   Broadcasting was helped by lower programming costs brought on by an overabundance of content available to stations, analysts said.

30.   But her ineptitude at subterfuge, brought on by a desperate, if neurotic, yearning keeps her likable.