101.   UTMB researchers wear protective hoods and work in biological safety cabinets that have their own specialized ventilation systems with filters to minimize the release of infectious aerosols.

102.   Were they dispersed through the building by the ventilation system or the blown air used to clean the machines?

103.   When his company is hired to clean a ventilation system, Wolfson said, workers work from the top floor down, one floor at a time.

104.   While a bit smaller inside than others in their class, they provide competent handling and performance and amenities such as an air purifying ventilation system.

105.   Without realizing it, builders before the energy crisis had been installing an effective, albeit haphazard, ventilation system.

106.   You can swing your arms, kick the leaves and breathe deeply without worrying about the ventilation system.

107.   A fire broke out Thursday in the ventilation system of the Mont Blanc tunnel, Italian safety officials said.

108.   A man reportedly stood up in a passenger airplane in mid-flight and released a powdery substance into the air ventilation system.

109.   A ventilation system will then be installed to change the air inside every hour, necessary since each tourist exhales on average seven-tenths an ounce of vapor.

110.   And, to reduce the moisture and make visits more comfortable, the government is installing a new ventilation system.