41.   It had contaminated the ventilation system, causing scores of health complaints on campus and costing the college millions of dollars in repairs.

42.   Install exhaust fans over the stove to reduce exposure to toxic combustion products and a ventilation system in the bathroom to reduce exposure to toxic gas.

43.   Instead, the federation wants the tobacco industry to subsidize modern ventilation systems.

44.   It has leak-proof air locks, special ventilation systems and other containment mechanisms, all of which have double or triple backup systems.

45.   It must increase security, improve ventilation systems and find ways to speed up evacuations.

46.   Kawamura said the high ceilings and ventilation system at the Pacific Exchange allow for good air flow.

47.   Many unexplained hospital disease outbreaks, they suggest, could be triggered by infected ventilation systems.

48.   Minatom, Shingarkin said, paid four times the going rate when it bought ventilation systems from a Czech company for the Bushehr reactor.

49.   Modern ventilation systems help that along too.

50.   Most public facilities have a zero tolerance policy for black mold because it can get into ventilation systems and people breathe it.